Markets rebound from China slump, strong U.S. data helps

By Sinead Carew NEW YORK (Reuters) - Stock markets around the world rallied on Thursday, shaking off a slump related to China growth fears, as strong U.S. economic data boosted investor sentiment and crude oil rebounded sharply. All three major U.S. indexes closed up more than 2 percent, putting them higher for the week, following share rebounds in China and Europe. "Can the U.S. economy prove the naysayers wrong?