BEIJING, Sept. 16 (Xinhua) -- Chinese stocks closed lower on Wednesday, with the benchmark Shanghai Composite Index down 0.36 percent to 3,283.92 points.

The Shenzhen Component Index closed 1.01 percent lower at 13,011.28 points.

The combined turnover of stocks covered by the two indices shrank to 684.3 billion yuan (about 100.89 billion U.S. dollars) from 725.5 billion yuan the previous trading day.

Losers outnumbered gainers by 934 to 438 on the Shanghai bourse and by 1,619 to 567 in Shenzhen.

Shares in the automobile and photoelectric industries outperformed the market, with shares of Great Wall Motor Company Limited surging by 5.75 percent to close at 18.22 yuan apiece.

Shares related to biological vaccines and digital currency led losses.

The ChiNext Index, China's NASDAQ-style board of fast-growing enterprises, fell 1.55 percent to close at 2,554.8 points on Wednesday.