Purchasing-managers’ indices painted a gloomy picture of manufacturing worldwide. The final reading of China’s Caixin PMI for September was the lowest since March 2009; the official index, though it ticked up, also suggested that output shrank. In America, the Institute for Supply Management’s PMI implied the slowest production growth since May 2013. European indices were also broadly disappointing. purchasing-managers's indices：采购经理人指数 indices: 指数（index的附属） gloomy：阴暗的 manufacturing：制造业 reading：读数 tick up：上升