Brexit is going to do some serious damage on Wall Street

We're starting to see the immediate impacts of Britain's decision on Thursday to leave the European Union.
Stocks are sliding, the British pound is tumbling, and gold is rallying. Bank stocks are getting hammered.
In a note out on Monday, Goldman Sachs analyst Richard Ramsden put together an overview of how the historic decision could affect financial firms across Wall Street.
His team ran a "stress test" on bank earnings, based on a scenario in which there are no additional Fed fund hikes and 1