Shares of IGM Biosciences, Inc. (NASDAQ:IGMS – Get Free Report) fell 4.7% during trading on Tuesday . The stock traded as low as $8.98 and last traded at $9.10. 88,139 shares changed hands during trading, a decline of 72% from the average session volume of 310,274 shares. The stock had previously closed at $9.55. Wall […]