IQ2 debate: Should we break up the big banks? To prevent the collapse of the global financial system in 2008, taxpayers spent 245 billion dollars to stabilize America's banking institutions. Today, the big banks are bigger. JPMorgan Chase, Citigroup, Bank of America, Wells Fargo and Goldman Sachs hold assets equal to more than 50 percent of the US economy. The Intelligence Squared debate: "Should we break up the big banks?"12:00 p.m.