(Yicai Global) Dec. 10 -- Chinese mainland stock markets opened down this morning, while non-bank financial institutions, such as insurers and brokerages, led the declines by falling 1.74 percent.

The Shanghai Composite Index opened 0.19 percent lower at 2,908.94. The Shenzhen Component Index was at 9,850.04, down 0.27 percent. The ChiNext Price Index, which tracks growth enterprises in Shenzhen, began 0.31 percent lower at 1,715.71.

During the first 10 minutes after opening, internet companies dropped 1.34 percent. 

Editor: Emmi Laine