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China Internet Security Stocks Rally on Snowden: Shenzhen Mover

Surfilter Network Technology Co. jumped to a record as Chinese Internet security companies extended a rally on speculation they will benefit from increased demand to protect domestic computer networks.

Surfilter Network Technology, which provides website security products, jumped 8 percent to 25.95 yuan at the close in Shenzhen. Bluedon Information Safe Technology Co. added to yesterday’s 10 percent jump, rising 0.7 percent to 23.45 yuan. The Shenzhen Composite Index slid 0.5 percent, while the Shanghai Composite Index dropped 0.7 percent.