A default would tank the stock portfolio of the good old boys club. The Joe the plumbers have less skin in the game.... We'll see.
They have probably already moved their money. Insider trading rules don't even apply to them. They sit on committees whose rulings will impact the corporations they own stock in. During the presidential conventions of both parties, all ethics rules are suspended as if they didn't already contain loop holes big enough to drive a Mack truck through that was carrying other Mack trucks.