File photo: VCG

BEIJING, July 21 (Xinhua) -- Chinese stocks opened higher on Tuesday, with the benchmark Shanghai Composite Index up 0.49 percent to open at 3,330.55 points.

The Shenzhen Component Index opened 0.23 percent higher at 13,480.39 points.

The ChiNext Index, China's NASDAQ-style board of growth enterprises, was up 0.4 percent to open at 2,708.13 points.