Closing Bell: Oil Closes at Highest Level Since November; Apple Ends Higher

U.S. stocks ended near session highs thanks to a big boost from Apple (AAPL) - Get Report . The tech giant enjoyed its best one-day gain in around four months after Warren Buffett's Berkshire Hathaway (BRK.A) - Get Report disclosed a stake. Oil closed at its highest level since November 3 as Goldman Sachs analysts grew bullish on the supply-demand dynamic. Goldman had previously been very bearish on oil's prospects. The firm expects West Texas Intermediate to return to $50 a barrel in the back half of the year. ConocoPhillips (COP) - Get Report spiked on an analyst recommendation. Deutsche Bank maintained a BUY rating, arguing that the oil company was under-appreciated and an attractive way to benefit from the oil recovery. TheStreet's Keris Lahiff reports from Wall Street.