'Black Swan' investor Mark Spitznagel says the crash of a lifetime is coming after one more 'euphoric rally'

Mark Spitznagel is the head of Universa Investments. Bloomberg/Getty Images "Black Swan" investor Mark Spitznagel sees the AI boom reaching new heights before collapsing. The Universa Investments chief anticipates a "euphoric rally" before the crash of a lifetime. He spoke about how difficult it…