Is This Beaten-Down Stock a Buy on the Dip?

It's the second time this year the stock has slumped significantly in one day, and it might represent another attractive entry point.Even well-established drugmakers can lose significant market value overnight following a setback. That's what recently happened to Vertex Pharmaceuticals (VRTX 0.82%). The company's shares fell by more than 10% after it announced not-so-great regulatory and clinical developments.Vertex's stock is down 4% year to date following this decline. Should you consider investing in the ...