{"id":976284,"date":"2026-06-26T18:27:55","date_gmt":"2026-06-26T22:27:55","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600\/"},"modified":"2026-06-26T18:27:55","modified_gmt":"2026-06-26T22:27:55","slug":"gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600\/","title":{"rendered":"Gulfport Energy and Mobility Global Set to Join S&amp;P SmallCap 600"},"content":{"rendered":"<div class=\"xn-newslines\">\n<p class=\"xn-distributor\">PR Newswire<\/p>\n<\/p><\/div>\n<div class=\"xn-content\">\n<p>\n        <span class=\"legendSpanClass\">NEW YORK<\/span>, <span class=\"legendSpanClass\">June 26, 2026<\/span> \/PRNewswire\/ &#8212; S&amp;P Dow Jones Indices will make the following changes to the S&amp;P SmallCap 600:<\/p>\n<ul type=\"disc\">\n<li>Gulfport Energy Corp. (NYSE: GPOR) will replace Select Medical Holdings Corp. (NYSE: SEM) effective prior to the opening of trading on Wednesday, July 1.\u00a0 Select Medical Holdings is being acquired in a deal expected to be completed soon, pending final closing conditions.\n<\/li>\n<li>Mobility Global Inc. (NYSE: MBGL) will replace Core Laboratories Inc. (NYSE: CLB) effective prior to the opening of trading on Thursday, July 2. S&amp;P 500 constituent S&amp;P Global Inc. (NYSE: SPGI) is spinning off Mobility Global in a transaction expected to be completed July 1. Core Laboratories is no longer representative of the small-cap market space.<\/li>\n<\/ul>\n<p>Following is a summary of the changes that will take place prior to the open of trading on the effective date:<\/p>\n<div>\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"1\" class=\"prnbcc\">\n<tr>\n<td class=\"prnpr2 prnpl2 prnvab prntac prncbts prnrbrb1 prnbbbs prnbsbls\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Effective Date<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen3\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Index Name<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen3\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Action<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen3\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Company Name<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen3\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>Ticker<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prnpr2 prnpl2 prnvab prntal prncbts prnbrbrs prnbbbs prnsblb1\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>GICS Sector<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen5\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>July 1, 2026<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">S&amp;P SmallCap 600<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Addition<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Gulfport Energy<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">GPOR<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Energy<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen5\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>July 1, 2026<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">S&amp;P SmallCap 600<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Deletion<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Select Medical Holdings<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">SEM<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Health Care<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen5\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>July 2, 2026<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">S&amp;P SmallCap 600<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Addition<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Mobility Global<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">MBGL<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Industrials<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"prngen5\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\"><br \/>\n                  <b>July 2, 2026<\/b><br \/>\n                <\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">S&amp;P SmallCap 600<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Deletion<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Core Laboratories<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">CLB<\/span>\n              <\/p>\n<\/td>\n<td class=\"prngen6\" colspan=\"1\" rowspan=\"1\" nowrap=\"nowrap\">\n<p class=\"prnml4\">\n                <span class=\"prnews_span\">Energy<\/span>\n              <\/p>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<p>ABOUT S&amp;P DOW JONES INDICES<\/p>\n<p>S&amp;P Dow Jones Indices is the largest global resource for essential index-based concepts, data and research, and home to iconic financial market indicators, such as the S&amp;P 500\u00ae and the Dow Jones Industrial Average\u00ae. More assets are invested in products based on our indices than products based on indices from any other provider in the world. Since Charles Dow invented the first index in 1884, S&amp;P DJI has been innovating and developing indices across the spectrum of asset classes helping to define the way investors measure and trade the markets.<\/p>\n<p>S&amp;P Dow Jones Indices is a division of S&amp;P Global (NYSE: SPGI), which provides essential intelligence for individuals, companies, and governments to make decisions with confidence. For more information, visit <a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4721057-1&amp;h=556917685&amp;u=https%3A%2F%2Fwww.spglobal.com%2Fspdji%2Fen%2F&amp;a=www.spglobal.com%2Fspdji%2Fen%2F\" target=\"_blank\" rel=\"nofollow\">www.spglobal.com\/spdji\/en\/<\/a>.<\/p>\n<p>\n        <b>FOR MORE INFORMATION:<\/b>\n      <\/p>\n<p>\n        <b>S&amp;P Dow Jones Indices<br \/><\/b><br \/>\n        <a href=\"mailto:index_services@spglobal.com\" target=\"_blank\" rel=\"nofollow\">index_services@spglobal.com<\/a>\n      <\/p>\n<p>\n        <b>Media Inquiries<br \/><\/b><br \/>\n        <a href=\"mailto:spdji.comms@spglobal.com\" target=\"_blank\" rel=\"nofollow\">spdji.comms@spglobal.com<\/a>\n      <\/p>\n<p id=\"PURL\">\n        <img loading=\"lazy\" decoding=\"async\" title=\"Cision\" width=\"12\" height=\"12\" alt=\"Cision\" src=\"https:\/\/edge.prnewswire.com\/c\/img\/favicon.png?sn=NY93632&amp;sd=2026-06-26\" \/> View original content:<a id=\"PRNURL\" rel=\"nofollow\" href=\"https:\/\/www.prnewswire.com\/news-releases\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600-302812407.html\" target=\"_blank\">https:\/\/www.prnewswire.com\/news-releases\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600-302812407.html<\/a><\/p>\n<p>SOURCE S&amp;P Dow Jones Indices<\/p>\n<\/p><\/div>\n<p>    <img decoding=\"async\" alt=\"\" src=\"https:\/\/rt.prnewswire.com\/rt.gif?NewsItemId=NY93632&amp;Transmission_Id=202606261824PR_NEWS_USPR_____NY93632&amp;DateId=20260626\" style=\"border:0px;width:1px;height:1px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PR Newswire NEW YORK, June 26, 2026 \/PRNewswire\/ &#8212; S&amp;P Dow Jones Indices will make the following changes to the S&amp;P SmallCap 600: Gulfport Energy Corp. (NYSE: GPOR) will replace Select Medical Holdings Corp. (NYSE: SEM) effective prior to the opening of trading on Wednesday, July 1.\u00a0 Select Medical Holdings is being acquired in a deal expected to be completed soon, pending final closing conditions. Mobility Global Inc. (NYSE: MBGL) will replace Core Laboratories Inc. (NYSE: CLB) effective prior to the opening of trading on Thursday, July 2. S&amp;P 500 constituent S&amp;P Global Inc. (NYSE: SPGI) is spinning off Mobility Global in a transaction expected to be completed July 1. Core Laboratories is no longer representative of the small-cap market &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Gulfport Energy and Mobility Global Set to Join S&amp;P SmallCap 600&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-976284","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Gulfport Energy and Mobility Global Set to Join S&amp;P SmallCap 600 - Market Newsdesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marketnewsdesk.com\/index.php\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gulfport Energy and Mobility Global Set to Join S&amp;P SmallCap 600 - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"PR Newswire NEW YORK, June 26, 2026 \/PRNewswire\/ &#8212; S&amp;P Dow Jones Indices will make the following changes to the S&amp;P SmallCap 600: Gulfport Energy Corp. (NYSE: GPOR) will replace Select Medical Holdings Corp. (NYSE: SEM) effective prior to the opening of trading on Wednesday, July 1.\u00a0 Select Medical Holdings is being acquired in a deal expected to be completed soon, pending final closing conditions. Mobility Global Inc. (NYSE: MBGL) will replace Core Laboratories Inc. (NYSE: CLB) effective prior to the opening of trading on Thursday, July 2. S&amp;P 500 constituent S&amp;P Global Inc. (NYSE: SPGI) is spinning off Mobility Global in a transaction expected to be completed July 1. 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Market Newsdesk","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.marketnewsdesk.com\/index.php\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600\/","og_locale":"en_US","og_type":"article","og_title":"Gulfport Energy and Mobility Global Set to Join S&amp;P SmallCap 600 - Market Newsdesk","og_description":"PR Newswire NEW YORK, June 26, 2026 \/PRNewswire\/ &#8212; S&amp;P Dow Jones Indices will make the following changes to the S&amp;P SmallCap 600: Gulfport Energy Corp. (NYSE: GPOR) will replace Select Medical Holdings Corp. (NYSE: SEM) effective prior to the opening of trading on Wednesday, July 1.\u00a0 Select Medical Holdings is being acquired in a deal expected to be completed soon, pending final closing conditions. Mobility Global Inc. (NYSE: MBGL) will replace Core Laboratories Inc. (NYSE: CLB) effective prior to the opening of trading on Thursday, July 2. S&amp;P 500 constituent S&amp;P Global Inc. (NYSE: SPGI) is spinning off Mobility Global in a transaction expected to be completed July 1. Core Laboratories is no longer representative of the small-cap market &hellip; Continue reading \"Gulfport Energy and Mobility Global Set to Join S&amp;P SmallCap 600\"","og_url":"https:\/\/www.marketnewsdesk.com\/index.php\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600\/","og_site_name":"Market Newsdesk","article_published_time":"2026-06-26T22:27:55+00:00","og_image":[{"url":"https:\/\/edge.prnewswire.com\/c\/img\/favicon.png?sn=NY93632&amp;sd=2026-06-26","type":"","width":"","height":""}],"author":"Newsdesk","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Newsdesk","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600\/#article","isPartOf":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600\/"},"author":{"name":"Newsdesk","@id":"https:\/\/www.marketnewsdesk.com\/#\/schema\/person\/482f27a394d4fda80ecb5499e519d979"},"headline":"Gulfport Energy and Mobility Global Set to Join S&amp;P SmallCap 600","datePublished":"2026-06-26T22:27:55+00:00","mainEntityOfPage":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600\/"},"wordCount":384,"image":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600\/#primaryimage"},"thumbnailUrl":"https:\/\/edge.prnewswire.com\/c\/img\/favicon.png?sn=NY93632&amp;sd=2026-06-26","inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600\/","url":"https:\/\/www.marketnewsdesk.com\/index.php\/gulfport-energy-and-mobility-global-set-to-join-sp-smallcap-600\/","name":"Gulfport Energy and Mobility Global Set to Join S&amp;P SmallCap 600 - 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