The Two Pins That Will Pop The Stock Market Bubble

 | Feb 19, 2021 05:00AM ET

Yes. We are in a stock market bubble. The only question is, what will be the issue that eventually pops it? We alluded to this answer in Friday’s #MacroView discussing why more “Stimulus Won’t Create Economic Growth.”

As discussed in our previous article, if market bubbles are about “psychology,” as represented by investors’ herding behavior, then price and valuations reflect that psychology.

In other words, bubbles can exist even at times when valuations and fundamentals might argue otherwise. Let me show you an elementary example of what I mean. The chart below is the long-term valuation of the S&P 500 going back to 1871.