BEIJING - Chinese stocks closed mixed Wednesday, with the benchmark Shanghai Composite Index up 0.24 percent at 2,924.42 points.

The Shenzhen Component Index closed 0.64 percent lower at 9,852.7 points.

The combined turnover of stocks covered by the two indices stood at 466.58 billion yuan ($66.29 billion), shrinking from 466.6 billion yuan in the previous trading day.

Losers outnumbered winners by 840 to 547 on the Shanghai bourse and by 1,363 to 696 on the Shenzhen bourse.

Shares of companies in the digital currency sector posted strong performance, with shares of Shenzhen Forms Syntron Information Co Ltd surging by the daily limit of 10 percent.

Meanwhile, companies in wireless headset industry led the losses.

The ChiNext Index, China's NASDAQ-style board of growth enterprises, lost 0.91 percent to close at 1,718.26 points Wednesday.