Even if the market drops by 20 percent it is not cheap. The Fed could go into the market and buy the whole S&P500. They would have to borrow money or issue money but basically they can do it. It has happened before. In Hong Kong in 1997, the government came in and bought the stock market but at that time it was cheap.
Marc Faber is an international investor known for his uncanny predictions of the stock market and futures markets around the world.