Viceira, Luis M., John Y. Campbell, Francisco Gomes, and Pascal J. Maenhout. "Stock Market Mean Reversion and the Optimal Equity Allocation of a Long-Lived Investor." European Finance Review 5, no. 3 ...
Mean reversion would vindicate both actions ... The multiple for AI chipmaker Nvidia would, for example, be just 16 times at today’s stock price and at 2029 predicted earnings.