China's factory activity expanded in July at the slowest pace in 17 months as higher raw material costs, equipment maintenance and extreme weather weighed on business activity, adding to concerns about a slowdown in the world's second-biggest economy. The official manufacturing Purchasing Manager's Index (PMI) eased to 50.4 in July from 50.9 in June, data from the National Bureau of Statistics (NBS) showed on Saturday, but remained above the 50-point ...