Kevin O'Leary: If Elon Musk pitched Tesla on 'Shark Tank,' 'I would have said no'

"Am I a shareholder today in Tesla? Yes I am," investor Kevin O'Leary told CNBC Make It on Wednesday. But "if Elon Musk came into the 'Shark Tank' and told me to invest in his electric car company before he started it, I would say, 'You're crazy.'"