. . . to sell stocks if you've capitalized on the spectacular 9-year run since March 2009.
Getting in when stock valuations are cheap is key. So is getting out when those valuations soar as now. On the scale used in the chart, valuation right now is about 13.2, similar to the year 2000 when everything fell apart. At the January 2018 high valuation averaged 14.3.
