Global equities drop as commodities tumble, dollar up

By Michael Connor NEW YORK (Reuters) - Falling commodities prices and worries about China's economy pulled stocks sharply lower on Tuesday, while bond yields declined and the dollar rose to a two-week high on bets U.S. officials will soon hike interest rates. Copper prices were down 3.9 percent at three-week lows, while oil was off 2 percent. "The volatility will continue until we get some clarity from the Fed and China." The U.S. Federal Reserve last week kept rates near zero, citing turbulence