BEIJING - China's stocks widened their losses and fell across the board on Sept 19 over concerns that the economy may slow further in the coming months of the year and in 2012.

The benchmark Shanghai Composite Index dropped 1.79 percent, or 44.55 points, to end at 2,437.8. The Shenzhen Component Index tumbled 2.03percent, or 220.6 points, to finish at 10,657.63.