PetroShale Inc. (CVE:PSH – Get Rating) shot up 1.5% during trading on Thursday . The stock traded as high as C$0.68 and last traded at C$0.67. 136,650 shares changed hands during trading, a decline of 73% from the average session volume of 503,148 shares. The stock had previously closed at C$0.66. Several research firms recently […]