ULTA Salon Gains 4% As Company To Replace Tenet Healthcare In S&P 500 Index

Shares of

were trading higher by 4 percent early Friday morning after

that the company's stock will join the S&P 500 index. Ulta Salon will replace

in the S&P 500 index. Tenet Healthcare will be added to the MidCap 400 index as the stock's market capitalization is "more representative of the mid-cap market space." Tenet Healthcare will replace

in the MidCap 400 index as the company was acquired by

in a transaction that is expected to close on Friday.