Apple weighs on stocks, while oil prices steady

By Rodrigo Campos NEW YORK (Reuters) - Apple weighed heavily on all major U.S. stock indexes on Tuesday as it fell for the fifth straight day, while oil steadied a day after a broad measure of commodity prices hit a 12-year low. Apple stock, down 3.1 percent on Tuesday, is off near 15 percent from its record high set in late April. U.S. crude rose and copper edged up but the outlook for commodities continued to be clouded by concerns over a slowdown in China, the world's second-largest econ