China's benchmark stock index retreated 1.1 percent on Tuesday, the biggest drop in three weeks, dragged down by a weak consumption outlook and expectations of slower economic growth.

The Shanghai Composite Index fell 24.91 points to 2,217.01, while the CSI 300 Index, which tracks the 300 biggest enterprises on the Shanghai and Shenzhen exchanges, lost 1.5 percent to 2,493.34 at the close.

Liquor-making enterprises were the biggest losers, losing 3.07 percent on average.