The Shanghai index fell more than 1%, the growth enterprises market index fell 1.6%, and the Shenzhen Composite Index fell 0.5%.
The Shenzhen Composite Index extended its losses in late trading, falling more than 5% in the day.
The Shanghai Composite Index and the Shenzhen Composite Index rose by more than 2% and then fell back, with more than 4,500 stocks in the two cities rising.
The Shenzhen Composite Index fell by more than 1% at the beginning of the session, the Shanghai index fell by 0.62%, and the auto industry, Baijiu and other sectors were among the top decliners.