Theory #1, people woke up and realized that even now, MRKR should be worth about 125 million, not 30 million.
Theory #2, the Baker Brothers are buying back in on the cheap.
Theory #3, currently behind the scenes, Merck and Abbvie are in a bidding war to see who will pay the most for an AML partnership.
Theory #4, MRKR made it to the top of the Forbes list of most undervalued stock in America.
Theory #5, somebody knows something.