Shanghai Securities News said the Ministry of Public Security and a cabinet-level research center of China were preparing to investigate on EMC Corp, IBM Corp and Oracle Corp over security concerns.

Facebook confirmed testing on a new payments product that may take other mobile payment platforms like Paypal.

Omega Advisors Inc sold its shares in Facebook and precious metals' companies and bought Apple shares after Apple's decline.

Facebook revealed the number of daily users from the US and UK to attract advertisers in spending more money in the social network.

Yelp added a new functionality, allowing everyone to write and edit full reviews through the Yelp mobile app.

Sheryl Sandberg sold around USD91 million worth of shares in the social networking site after Facebook topped its initial public offering price for the first time since May last year.

Facebook announced that it would acquire Mobile Technologies, a company focused in developing voice translation software.

The social media giant was the showcase for a murder and money. Facebook is again the venue of a chilling act. Derek Medina posted Thursday a chilling photograph that his friends and family would never forget.

Analyst Aaron Kessler said internet stocks' gains would continue because investors were more confident in new business models like mobile and community advertising.

Investors examined Facebook's price to earnings ratio and found that US$38 each share was overvalued.