Asia-Pacific stocks set to dip as investors await China's manufacturing activity data, U.S. presidential debate

Investors will await the release of China's official manufacturing Purchasing Managers' Index (PMI) for September, expected to be out at around 9:00 a.m. HK/SIN. The Caixin/Markit manufacturing PMI for September is also set to be out at around 9:45 a.m. HK/SIN.