Since we're just randomly linking unrelated things, FedEx turned their business around after their CEO saved it from bankruptcy at the blackjack table[0].
That's about as useful as pointing to some equally unrelated thing that did turn around. The truth is nobody here knows either way, and if you did you'd be in the process of becoming very wealthy on that knowledge. Let me make a wild guess that you will not actually be putting your money where your mouth is on this?