The corporations that make money from health care -- and want the status quo -- know whose side Scott Brown will be on:
An index of health-care companies in the S&P 500 led the advance with a 1.9 percent rally. U.S. Democrats face the possibility of losing a Senate seat held by the late Edward Kennedy as voters in Massachusetts go to the polls. A loss could cost them a 60-vote supermajority needed to help pass a health- care overhaul.
