A large cash injection by an obviously dedicated shareholder provided quite the lift for Comstock Resources (CRK 0.22%) stock this week. The completion of the arrangement brought the bulls rushing into the energy company's stock -- it was trading nearly 11% higher week to date as of early Friday morning, according to data compiled by S&P Global Market Intelligence.A Cowboy rides to the rescueThat shareholder is the man who already controlled much of Comstock's equity, veteran oil and gas tycoon Jerry Jones ...