Yes, regulate investment bankers, hedge funds, and anyone who profits on gains with other people's money. When they make huge leveraged gains with massive risk that will later come crashing down on the real owners, that blurs the line between caveat emptor and fraud.

Huge CEO payouts upon failure, such as Countrywide and Bear Stearns - I don't know, but it does suggest that board oversight has been compromised, to the shareholders' detriment, doesn't it?