Concerns about China’s economic health remained after data showed factory activity in the world’s second-biggest economy shrank to a 6-1/2 year low in September. China’s factory activity has now shrunk for seven months in a row. “There is an element of pricing in the bad news out of China and investors are hoping that the Chinese government will increase their efforts in boosting the economy,” said Mark Luschini, chief investment strategist at Janney Montgomery Scott in Philadelphia.