A closely watched stock valuation gauge sits near 40, a level seen only at the dot-com peak
The cyclically adjusted price-to-earnings ratio, a valuation measure with roots in a 1988 academic paper by John Y. Campbell and Robert J. Shiller, has climbed near 40. That level has been reached only once before, at the peak of the dot-com bubble in 2000. For investors holding U.S. equities, the reading raises a direct question:…