Shares of Ballard Power Systems Inc. (TSE:BLDP – Get Free Report) fell 3.4% on Wednesday . The stock traded as low as C$4.80 and last traded at C$4.87. 141,375 shares traded hands during trading, a decline of 80% from the average session volume of 700,409 shares. The stock had previously closed at C$5.04. Ballard Power […]