Shares of Carrizo Oil & Gas Inc. CRZO, -0.74% surged 6.0% and Callon Petroleum Co. CPE, -0.24% ran up 11% in premarket trading Monday, after Paulson & Co, a large Callong shareholder, said it plans to …

More Callon, Carrizo stocks soar after Callon shareholder to vote against merger, urges sale of company Videos