HONG KONG -- China's mainland stocks ended a stimulus-induced winning streak on Wednesday, as questions swirled over how far the authorities are willing to go to support the sluggish economy.
The benchmark CSI 300, which measures large-market-cap stocks listed in Shenzhen and Shanghai, dropped 7.05% from Tuesday to close at 3,955.98. It was the biggest single-day decline since February 2020, when COVID-19 was spreading in China.

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