Summit Therapeutics Inc. (NASDAQ:SMMT) is one of the stocks on Jim Cramer’s radar. A caller asked for Cramer’s opinion on the stock following recent negative news related to its cancer screening drug. He said: “No, no, we’re going to have to move on. Sometimes, when you have these things, they just don’t come back. That was a bad one. I’m sorry. I’d love to be able to say, don’t worry about it, but I’m going to, I know that there’s… insider buying. You don’t have to, have to [be in a] hurry to get out of ...