Ahead of the Bell: Facebook below IPO price
Facebook Inc. stock has dropped below the initial public stock offering price in premarket trading Monday, an inauspicious start to the company's first full week of trading after its market debut Friday suffered some hiccups.

Pinterest: 5 Ways to Use the Social Site
Pinterest has taken the Internet by storm. Here are five ways to use the social pinning site.

China approves Google’s Motorola buy, demands Android remain open

The United States Department of Justice approved Google’s $12.5 billion acquisition of Motorola Mobility this past February, but the massive deal awaited the blessing of one more major regulatory body before it could go through. This past weekend, China’s Ministry of Commerce followed the DOJ’s lead and granted Google permission to acquire the struggling vendor. China’s MOC did have a condition Google must honor if it moves forward with the deal, however: Android must remain open-source and freely available. Google announced last August that it intended to acquire Motorola Mobility for $12.5 billion, and the deal is expected to close in the coming months.

Facebook IPO Closes With Thud
Mark Zuckerberg, CEO and founder of Facebook, rang the opening bell from company headquarters in Menlo Park, California.

Watch: TechBytes: Facebook Ads, Amazon Job Surge
General Motors pulls advertisements from Facebook.

Where are Facebook's friends? Stock down after IPO
Facebook's stock is tumbling well below its $38 IPO price in the social network's second day of trading as a public company on Monday.