Why Buffett is betting on energy stocks again By: CNBC.com News July 11, 2014 at 07:25 AM EDT Recent bets on some big oil and gas stocks show that Warren Buffett and his stock-picking lieutenants are open to a wider range of energy investments. Read More >> Related Stocks: American Express Berkshire Hathaway Chevron Corp ConocoPhillips Exxon Mobil Natl Oilwell Varco Occidental Petroleum Phillips 66 Suncor Energy Inc Wells Fargo