This little biotech packed a big wallop on Monday as its stock nearly doubled. Here's why.
Acquiring CTP-656 from Concert Pharmaceuticals will only cost Vertex around $250 million.
The convenience of a once-daily version of Kalydeco is important to Vertex because it has the potential to simplify dosing of combination regimens the company has in development.
Here's a technical look at how to trade seven stocks that were spiking on unusual volume recently.