China and Buffett boost rally on Wall St., oil jumps

By Noel Randewich SAN FRANCISCO (Reuters) - Wall Street surged Monday following a multi-billion-dollar deal by Warren Buffett's Berkshire Hathaway that raised optimism over mergers and acquisitions, and weak Chinese data that boosted hopes for fresh stimulus in the world's No. 2 economy. Crude oil prices jumped as much as 3 percent after a rally in U.S. gasoline and diesel due to a refinery outage helped crude futures rebound from multi-month lows earlier in the session. All three majo