U.S. approves $15.1 billion CNOOC-Nexen deal

Canadian oil and gas company Nexen’s (TSX,NYSE:NXY) shares climbed over 2% yesterday, closing at Cdn$27.48 as it announced that U.S. regulators had approved the $15.1 billion takeover of the firm by China's state-owned CNOOC Ltd. Tuesday’s authorization from the Committee...