In a piece penned in MarketWatch on Halloween entitled “Warren Buffett’s favorite market metric suggests investors are playing with fire,” Shawn Langlois claims that Warren Buffett’s favorite stock market indicator is currently in dangerous territory. In fact, the measure was nearing levels only witnessed prior to the bursting of the tech bubble in 2000.
Johnson, Robert R. PhD, "Rational Exuberance" (2017). Faculty Publications. 879.