Surge in oil, Apple boosts U.S. stocks

Wall Street was higher on Monday after a bruising week, bolstered by a bounce in Apple shares, while surging oil prices fired up energy stocks. The iPhone maker's shares were up 2.9 percent at $93.15 after Warren Buffett's Berkshire Hathaway reported a stake worth about $1 billion in the company. Oil jumped more than 2 percent to its highest in six months due to disruptions in Nigerian output and after long-time bear Goldman Sachs said the market had ended almost two years of oversupply and flip