All three major U.S. stock indexes turned red, with the Dow expanding its gains to 0.57 percent. Bank stocks rallied, with Wells Fargo (WFC. N) up 5.7 percent, Bank of America (BAC. N) and JPMorgan Chase (JPM. N) up more than 5 percent, Citigroup (C. N) up more than 3 percent, and Bank of New York Mellon (BK. N) up more than 2 percent.