Shares of Nasdaq-listed bitcoin miner Gryphon jumped 20 percent on Friday after it announced it was buying an 850-acre industrial site powered by natural gas from Canadian oil and gas company Captus Generation for $18.70 million. Under the acquisition agreement, Gryphon will pay C $24 million (US $17 million) in cash to Captus parent company BTG Energy and issue C $3 million restricted stock to the new management team. In addition, Gryphon recently acquired Canadian power company Erikson N...