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 .
In signing ceremony , Obama talks of need to address public skepticism . Bill makes it illegal to use inside information to trade stocks and securities . Public interest groups say the bill was weakened before it was passed . Issue came to light after `` 60 Minutes '' story on some profiting from inside information .