China is back to work after the fall "Golden Week" holiday, and the sheen is coming off a recent market rally. A briefing from the country's top economic planner, the National Development and Reform Commission,

Hong Kong stocks plunged more than 9% today, their biggest fall in 16 years, after China left investors disappointed by a lack of new stimulus and few details about measures announced last month.

The CSI 300 Index pared gains after registering a record intraday jump while the Hang Seng Index slumped the most since 2008.