China stocks jump on U.S. rally, yuan edges up

By Pete Sweeney and Samuel Shen HONG KONG/SHANGHAI (Reuters) - China's turbulent stock markets rose sharply on Thursday, helped by a strong rebound on Wall Street on expectations that the U.S. Federal Reserve will respond to days of China-led volatility by delaying an expected interest rate rise next month. Chinese stocks had fallen again on Wednesday - taking their losses to more than 20 percent in just five days - underscoring fragile investor confidence and deep doubt over whether the previou