China's Ministry of Industry and Information Technology published new security and advertising provisions for regulating the Internet information service market, effective March 15, 2012.

Chinese Internet advertising provider Allyes AdNetwork has witnessed a high-level executive shake-up with both the CEO and COO departing the company.

Chinese online media and entertainment company Sohu.com Inc. announced record total revenues of USD233 million, up 42% year-over-year and 17% quarter-over-quarter, as it reported its unaudited financial results for the third quarter ended September 30, 2011.

Chinese Internet search engine company Baidu Inc. says its third quarter total revenue jumped 85.1% increase from the corresponding period in 2010.

The China Internet Network Information Center has published a report on the activities of Chinese group buying users for 2011 in Beijing, stating that by June 2011, there were 42.2 million online group buying users in China, an increase of 125% compared with six months ago.

Chinese online media and mobile value-added services firm Sina Corporation says its profit fell more than 50% as it announced its unaudited financial results for the second quarter ended June 30, 2011.

Chinese Internet company Tencent has published its unaudited financial report for the second quarter of 2011, stating that its overall operating revenue reached CNY6.739 billion, an increase of 6.3% compared with the previous quarter and an increase of 44.3% compared with the same period last year.

Chinese search engine company Baidu Inc. announced its unaudited financial results for the second quarter ended June 30, 2011, and stated that as its tax rate increased, so did its profit.

Chinese information technology company Hasee and the Internet video website Qiyi.com have jointly announced in Beijing that the two parties have reached strategic cooperation, and Hasee will invest CNY30 million to place advertisements on Qiyi.com.

Chinese Internet video website Ku6.com has announced that to simplify operations, control costs, and improve efficiency, the company has decided to restructure its sales department.

Chinese online and wireless media company Sina Corporation says its profit fell on higher costs as it announced its unaudited financial results for the first quarter ended March 31, 2011.

Chinese online recruitment company 51job Inc. announced its unaudited financial results for the first quarter of 2011 ended March 31, 2011.

Chinese online media company Sohu.com Inc. says its revenues rose by 35% over last year as it reported its unaudited financial results for the first quarter ended March 31, 2011.

Chinese social networking site Renren.com filed plans to sell up to nearly USD675 million worth of shares in an initial public offering in the United States this year.

Li Guoqing, joint president of the Chinese Internet shopping website Dangdang.com, has announced that the company will stop putting advertisements on search engine Baidu.com from April 2011 due to the recent accusation that Baidu.com is involved in literature and music piracy.