An important Walgreen revenue measurement slid more than analysts expected in December, even though prescription counts continued to recover for the nation's largest drugstore chain since the resolution of a contract dispute.
An audit has found that a Michigan agency made at least $3.3 million in improper payments for wheelchairs, ventilators and other medical equipment as part of the Medicaid program.
While poised to grow its Medicaid business, WellPoint will have to fight to retain a big chunk of customers, according to Credit Suisse, after the debut of government-run insurance exchanges next year that help people shop for coverage.
Major health insurance stocks largely lagged behind a broader market advance Wednesday after Congress reached a last-minute deal to keep the U.S. economy from hitting a so-called "fiscal cliff" of tax hikes and deep spending cuts.