Shares of Medicenna Therapeutics Corp. (TSE:MDNA – Get Free Report) were down 4.4% during trading on Monday . The stock traded as low as C$0.43 and last traded at C$0.43. Approximately 76,500 shares were traded during mid-day trading, an increase of 106% from the average daily volume of 37,194 shares. The stock had previously closed […]