Hologic, Centene tick higher on S&P 500 inclusion
Shares of Hologic Inc. and Centene Corp. ticked higher in the extended session Thursday after S&P Dow Jones Indices said the companies will join the S&P 500 index . Hologic shares rose 2% to $35.04, and Centene shares advanced 1.5% to $64.71 after hours. Medical-device maker Hologic replaces Pepco Holdings Inc., which was acquired by Exelon Corp. , and health insurer Centene replaces Ensco PLC . The changes take effect on Tuesday.
Market Pulse Stories are Rapid-fire, short news bursts on stocks and markets as they move. Visit MarketWatch.com for more information on this news.