Martin Shkreli, the New York businessman charged by federal prosecutors with defrauding his former hedge fund investors, is worth at least $45 million. Federal prosecutors in Brooklyn disclosed on Thursday in a court filing that a brokerage account containing $45 million had been used to secure a $5 million bond posted by Mr. Shkreli, 32, after his Dec. 17 arrest on securities fraud charges. The brokerage account at E-Trade, the online securities firm, is the first public accounting of just how much money Mr. Shkreli — who last year became the focal point of a national debate over price gouging in the drug industry — ... (full story)