Facebook Inc. (FB) (FB)'s declining stock price may cost California �hundreds of millions of dollars� in revenue expected from taxes on capital gains, the state's fiscal analyst said.

Facebook Inc. (FB) (FB) executives Katie Mitic and Ethan Beard are leaving to pursue new opportunities, bringing to three the number of high-profile management departures since the social-networking website's May initial public offering.

The stock has been falling since Facebook released quarterly earnings last Thursday for the first time as a public company. Investors were disappointed despite second-quarter results meeting Wall Street expectations, with revenue one-third higher than ...

Facebook Inc. (FB) (FB), owner of the world's largest online social network, derived almost one-fourth of its energy for data centers from clean and renewable sources last year.

Yelp Inc. (YELP) (YELP) shares rose 15 percent in late trading after the online review website reported second- quarter sales that topped analysts' estimates, as an expansion into new regions helped widen its user base.

Referenced Stocks: AMZN, FB, GOOG, LNKD, MSFT. Google Inc. ( GOOG ) is looking for permanent ways to grow and expand. Recently, Google announced that it has acquired marketing start-up Wildfire for an undisclosed amount, strengthening its foothold ...

Facebook App Center. Facebook Inc (NASDAQ:FB) announced on Wednesday that it has officially rolled out their App Center across the world.

Trading glitches. After the 2010 flash crash, and subsequently high profile snafus in cases, such as the Bats listing debacle, and the massive bungle in the Facebook Inc (NASDAQ:FB) IPO, can we really consider our markets safe?

Facebook Inc. (NASDAQ:FB) is still leading social networking site, regardless of continuing market worries regarding its growth projections, on Tuesday MicroStrategy CEO Michael Saylor informed CNBC.

Facebook, Zynga shares fall to record lows. SAN FRANCISCO (MarketWatch) - Shares of Facebook Inc. and Zynga Inc hit record lows, highlighting mixed tech sector trading on Wednesday.