Afternoon Market Movers
June 24, 2013 at 13:11 PM EDT
Market Gainers STEC (NASDAQ: STEC ) skyrocketed 87.05 percent to $6.71 after news that Western Digital (NASDAQ: WDC ) will buy the company for around $340 million. Vanguard Health Systems (NYSE: VHS ) soared 66.81 percent to $20.93 after Tenet Healthcare (NYSE: THC ) announced