Insiders and profiteers are increasingly using oil revenues to take over service industries. They crowd out entrepreneurs and create their own monopolies.

Short selling mechanism not only can move price to levels justified by fundamentals, and help to improve market efficiency, but to some extent can decrease the manipulation behavior of the insider.

"Oliver and I were both pretty stunned after the first one, how they perceived Gekko, " the star said in comments recorded by Sharon Waxman for the Wrap.