What Boosted The Amphastar (AMPH) Stock In Pre-Hour Trades?

AMD Stock

Amphastar Pharmaceuticals Inc. (NASDAQ: AMPH) shares are trading at $17.98 in premarket session, rising 3.33 percent. During Friday’s trading, shares of Amphastar stock dropped -0.97% to close at $17.40. The volume of AMPH stock was 0.14 million shares, which was lower than the 0.2 million average daily volume of the last 50 days. Because of […]