'The market is ahead of the fundamentals': Billionaire investor Leon Cooperman says stocks are overvalued, especially considering the huge increase in debt

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· *Billionaire investor Leon Cooperman told CNN in a Monday interview that the stock market is overvalued, and that he's worried about the huge increase in national debt. *
· *"The China relationship deteriorating, the tremendous increase in debt in the system, certainly from the election, the virus issues," are risks...