Rokmaster Resources Corp. (CVE:RKR – Get Free Report) was up 40% on Friday . The company traded as high as C$0.04 and last traded at C$0.04. Approximately 318,000 shares changed hands during trading, an increase of 128% from the average daily volume of 139,762 shares. The stock had previously closed at C$0.03. Rokmaster Resources Stock […]