China's stock markets roared back from a week-long break and climbed to their highest levels in more than two years at the open, but lost steam after officials failed to inspire confidence in stimulus plans intended to turnaround a sputtering economy.

China-related stocks in the consumer sector fell sharply lower on Tuesday after a lack of details from Beijing officials on stimulus measures rattled investors. Government officials said they were confident in reaching economic targets this year and promised to further support growth,

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,