Chinese shares extended its retreat on Wednesday, with the benchmark Shanghai Composite Index slumping 3.03 percent to close at 3,805.7 points.
The smaller Shenzhen Component Index dived 4.68 percent to close at 12,132.42 points.
The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, plummeted 4.99 percent to end at 2,590.03 points.
