Yelp Set to Join S&P MidCap 400; Gulfport Energy to Join S&P SmallCap 600

NEW YORK, Dec. 6, 2018 /PRNewswire/ — S&P MidCap 400 constituent Gulfport Energy Corp. (NASD: GPOR) will replace Oclaro Inc. (NASD: OCLR) in the S&P SmallCap 600, and Yelp Inc. (NYSE: YELP) will replace Gulfport Energy in the S&P MidCap 400 effective prior to the open of trading on…

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Yelp Set to Join S&P MidCap 400; Gulfport Energy to Join S&P SmallCap 600