The Supreme Court on Thursday upheld an Arizona law that penalizes businesses for hiring workers in the country illegally, buoying the hopes of supporters of state crackdowns on illegal immigration.

Total money market mutual fund assets rose $9.56 billion to $2.748 trillion for the week, the Investment Company Institute said Thursday.

The Senate's top Republican said Friday that lawmakers should not fear voter backlash for trying to pluck savings from Medicare as part of a debt-reduction effort because it will take a bipartisan accord to tackle the popular program.

Pharmacy benefits manager Medco Health Solutions Inc. said Friday that after this year, it will lose a contract that brought it about $3 billion in annual revenue.