BEIJING, Feb. 24 (Xinhua) -- The ChiNext Index, tracking China's NASDAQ-style board of growth enterprises, went down 2.57 percent to 3,032.34 points in the morning session Wednesday.

The ChiNext Index, together with the Shenzhen Component Index and the Shenzhen SME (small and medium-sized enterprises) Board Index, reflects the performance of stocks listed on the Shenzhen Stock Exchange.