China stock index futures close mixed

China's stock index futures closed mixed on Wednesday, with the contract for September, the most actively traded, up 0.07 percent to close at 2,402 points.

The October contract also added 0.07 percent to close at 2,409.6 points. The December contract moved up 0.12 percent to close at 2,424 points. The March 2015 contract dipped 0.05 percent to close at 2,444 points.

The stock-index contracts, agreements to buy or sell the Hushen 300 Index at a preset value on an agreed date, are designed to allow investors to bet on and profit from either gains or declines in the market.

The index futures was launched at the China Financial Futures Exchange (CFFEX) and started trading from April 16, 2010. The CFFEX has set the base value for all the four contracts at 3,399 points.