The message is filtering through the financial ecosystem fast: these chaotic times are high times for America’s biggest banks . On Tuesday, shares of Wells Fargo jumped 7%, Citigroup 4%, and BlackRock 3%, while the KBW Bank Index climbed nearly 2% even as Goldman Sachs and JPMorgan finished in the red. With Washington getting reorganized along new lines and markets volatile, the sector is feasting on the turbulence rather than suffering from it. Now comes Bank of America to drive the point home and fill ...