Facebook's sales jumped 38% in the first quarter, boosted by its growing mobile ad business.
|Premarkets: 5 things to know before the open|
|Occupy abolishes $4 million in other people's student loan debt|
|707-horsepower 'muscle car' gets 22 MPG|
|IOS 8 is coming today: How to get it -- and whether you should|
|Top 20 colleges with most billionaire alumni|