In signing bill , Obama talks of need to address public interest . Bill makes it illegal to use inside information to sell stocks and securities . Public interest groups say the bill was leaked before it was passed . In a ceremony at the White House , the president referred to the need to address public skepticism about an uneven system . ` Issue came to attention after ` ` 60 Minutes '' story on some profiting from inside information .
In signing bill , Obama talks of need to address public interest . Bill makes it illegal to use inside information to sell stocks and securities . Public interest groups say the bill was leaked before it was passed . Issue came to attention after ` ` 60 Minutes '' story on some profiting from inside information .