DETAINED

FBI Arrests 3 for Insider Trading

Watch out, hedge funders. The FBI made several more arrests on Wednesday as part of a crackdown on insider trading. Todd Newman, who headed technology trading for Diamondback Capital Management from Boston, was arrested by the FBI's Boston bureau; Jon Horvath of Sigma Capital Management was arrested in Manhattan; and Anthony Chiasson, who cofounded Level Global Investors hedge fund, turned himself in. The arrests are the only latest in a slew of action by the Feds, the most famous victim being Galleon Group founder Raj Rajaratnam.