Besides Alibaba, three other Chinese internet giants, the Baidu, Tencent, and JD have all witnessed ups and downs in stocks.

Shares of Tencent Holdings continued to drop after reaching a record high of HK$475.6 ($60.6) on Jan 29 this year, due to stricter government regulation on its major online game business. The latest net worth of Tencent Holdings is HK$ 2.94 trillion, a HK$1.6 trillion cut compared with its peak.

Tencent Holdings announced to repurchase 125,000 shares of company's stocks at HK$38.6 million on Sept 12 to maintain its stock price, the fourth consecutive day of such stock operation. The company has repurchased a total of 397,700 shares at HK$124 million since Sept 9.

The net worth of Tencent chairman and CEO Pony Ma has shrunk HK$80 billion to HK$252.88 billion from the beginning of the year.