China’s factory activity returned to expansionary territory in June, supported by strong exports, while other data signalled that domestic demand continued to show weakness.The official manufacturing purchasing managers’ index (PMI) – an indicator of factory activity – rose to 50.3 in June from 50.0 in the previous month, according to data released on Tuesday by the National Bureau of Statistics (NBS).The reading slightly beat the 50.03 projection by Chinese financial data provider Wind.Using...