Facebook hit with class-action suits following stock tumble

Facebook shareholders are suing the company after its stock lost $120 billion in value.
This week is delivering a powerful one-two punch to Facebook CEO Mark Zuckerberg. First, on Thursday, Facebook’s stock plummeted 19%, erasing $120 billion in…

Groupon loses $83 million patent dispute with IBM

The jury verdict is a blow for local-deals marketplace, whose stock now hovers in the $5 range.
A patent dispute between IBM and Groupon has ended badly for the local deals company. On Friday, a Delaware jury awarded IBM $83 million in damages for what…