Indeed, for do-gooders and those who simply think it’s unfair that CEOs trade on non-public information, they should celebrate the [Steve] Cohens of the world who constantly seek an information edge. While Cohen was never found to have done anything wrong, it’s people like Cohen and his employees who will do the sleuthing that exposes to the marketplace good and bad news that public companies might not be so quick to disclose either verbally, or through share sales/purchases.
via To Block Out Insiders Like Steven Cohen Is To Blind The Stock Markets – Forbes