Before the Golden Week break, China announced the most aggressive stimulus measures since the pandemic and the CSI300 gained 25% over five sessions. Flows on Tuesday were directed at broad index funds and pockets of the market expected to benefit from government largesse.

Chinese stocks tumbled on Wednesday alongside their Hong Kong peers, as investors sought to profit from a blistering rally, which was dampened by the lack of powerful stimulus measures to revive the economy.

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,

Chinese stocks listed onshore suffered their biggest drop in more than four years as traders grew impatient over the pace of Beijing’s stimulus measures and weak holiday-spending data hurt sentiment.

A stock market rally in China has fizzled out as a highly-anticipated announcement on plans to boost the country's ailing economy disappointed investors. Shares had jumped by over 10% as trading restarted after the Golden Week holiday but fell back after a news conference by the country's economic planners.

Investor sentiment has been boosted by Beijing’s recent package of stimulus measures across multiple policy fronts.