Myriad Genetics, Inc. (NASDAQ:MYGN – Get Free Report) shares shot up 2.7% on Thursday . The company traded as high as $18.76 and last traded at $18.73. 139,980 shares were traded during mid-day trading, a decline of 73% from the average session volume of 523,469 shares. The stock had previously closed at $18.24. Wall Street […]