Facebook Shares Clear $25 in SharesPost Auction

Shares of Facebook cleared $25 a share in a recent sealed-bid auction, bumping the value of the social networking giant to $56.7 billion, according to an email alert distributed Friday by SharesPost, which facilities stock sales in privately held compa…

Is Twitter Worth $3.7 Billion? Not in the Real World

That’s the value a $200 million venture investment led by Kleiner Perkins this week implies. But that means Twitter would have a price-to-sales ratio of 840 compared to Facebook’s 26 — or Google’s 8.7. And Twitter’s growth may…

Proterra Unveils Electric Bus

Proterra, a maker of electric vehicles, unveiled an all-electric bus that can charge in 10 minutes.

The company unveiled its EcoRide BE35 at its plant in Greenville, S.C., on Dec. 16.

The bus will offer a fivefold improvement in fuel efficiency com…