Chinese equities declined after 5 days' advance on ambiguous data on China's service industry and the leadership congress of Communist party. The Shanghai Composite Index (SHCOMP) eased 0.1% to 2,114.03, whereas the HSBC Holdings Plc and Markit economics' released services purchasing managers' index fell from 54.3 in September to 53.5 in October. Experts say investors tend to avoid risk because of uncertainty about the leadership in China and the U.S.