BEIJING, Feb. 23 (Xinhua) -- The ChiNext Index, tracking China's NASDAQ-style board of growth enterprises, lost 0.84 percent to close at 3,112.36 points Tuesday.

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.