The Silicon Investor stock message boards have Mr. Pink. The Yahoo Finance stock message boards have Mr_Pink_esq. In this legal filing, hedge fund manager Daniel Loeb admits that he is the Mr. Pink of Silicon Investor. According to this Wall Street Journal story, Loeb insists that he is not Mr_Pink_esq of Yahoo Finance. Loeb, as it turns out, is not telling the truth, and here’s how I know it...