ALEX BRUMMER: As Wall Street's 'Fear Index' flashes red, my super-rich financier friend and so many top bankers are all saying BUCKLE UP!

ALEX BRUMMER: As Wall Street's 'Fear Index' flashes red, my super-rich financier friend and so many top bankers are all saying BUCKLE UP! →

Over a frugal breakfast of coffee and croissants, a friend who last year sold his hedge fund for several hundred million dollars shared with me his doom-laden vision of the future.