Shares slide on U.S.-China spat over Hong Kong, dollar gains

NEW YORK (Reuters) - Global stock markets stumbled and the dollar gained on Wednesday after China blasted a U.S. Senate bill aimed at protecting human rights in Hong Kong, the latest obstacle to easing tensions in a prolonged Sino-U.S. trade war that has dented growth worldwide.Gold prices rose to their highest in nearly two weeks before paring gains, while the yield on Germany's 10-year bond fell to a 2-1/2 week low as worries over U.S.-China trade talks once again swept world markets.The..