Shares of most healthcare companies rose modestly after Sunday's vote by the House to pass healthcare reform. Shares of the nation's two largest health insurers, UnitedHealth Group Inc. and WellPoint Inc., lost ground, while some smaller insurers were sharply higher. Shares of many healthcare companies have rallied in recent weeks with the market as a whole, showing that investors weren't fleeing the sector in fear of the Obama administration's plans for the industry, the Los Angeles Times reports.