BEIJING - China's stocks fell on Tuesday, dragging the benchmark index down by its biggest daily loss in three weeks, over concern about a slowdown in the world's second largest economy.

The benchmark Shanghai Composite Index dropped 1.68 percent, or 39.23 points, to close at 2,291.90. The Shenzhen Component Index tumbled 1.93 percent, or 181.93 points, to finish at 9,266.71.