It was insider trading, not his TV shows or interblogs. Apparently he dumped a bunch of shares of Mamma.com, which is a site where people can buy and sell mothers, and he did so with super insidery knowledge that they were raising money in a private offering.
More on this when someone can explain what any of this means in terms (pictures) the average blogger can understand.
UPDATE: Deadspin has a nice recap. Read it here.