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The big Wall Street firms, seemingly so shrewd and self-interested, had somehow become the dumb money. The people who ran them did not understand their own businesses, and their regulators obviously knew even less.

Michael Lewis (2015). “The Big Short: Inside the Doomsday Machine (movie tie-in)”, p.254, W. W. Norton & Company
The big Wall Street firms, seemingly so shrewd and self-interested, had somehow become the dumb money. The people who ran them did not understand their own businesses, and their regulators obviously knew even less.