Insurer sell-off turns to rally, led by HealthNet By: MarketWatch April 19, 2010 at 12:51 PM EDT Insurers put the brakes on a slide that has hit their stocks since Congress passed health-care reform in late March, with HealthNet climbing more than 5%. Read More >> Related Stocks: Cigna Corp Community Health Systems Humana UnitedHealth Group Univl Health Services