Altimmune, Inc. (NASDAQ:ALT – Get Free Report)’s stock price shot up 5.3% during trading on Thursday . The company traded as high as $9.38 and last traded at $9.36. 660,352 shares changed hands during mid-day trading, a decline of 89% from the average session volume of 5,935,036 shares. The stock had previously closed at $8.89. […]