Altimmune, Inc. (NASDAQ:ALT – Get Free Report)’s stock price fell 4.1% during trading on Wednesday . The company traded as low as $9.48 and last traded at $9.61. 1,232,811 shares changed hands during mid-day trading, a decline of 84% from the average session volume of 7,909,166 shares. The stock had previously closed at $10.02. Wall […]