 Walgreens plummeted to 22 percent today. Competitors CVS dipped three and seven-tenths percent. The country's biggest banks have passed the Federal Reserve's most recent stress test. That's an annual thing. The Fed subjects major lenders to a hypothetical disaster scenario. The Fed found the banks were well-resourced to withstand severe economic or market shakeups. JPMorgan Chase crept up nine-tenths percent today. Citigroup added about a half percent. U.S. Bank