Research.LeutholdGroup

The current mania won’t last forever. But our use of the “New Era” label in describing the last-quarter century or so of stock-market dynamics is still useful—in part because it highlights fundamental developments that simply cannot be repeated indefinitely. 

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We’ve said before that one of Wall Street’s great inventions is the “forward operating earnings” estimate for the S&P 500, because it results in a P/E ratio that invariably sounds reasonable (if not outright cheap). But this already-misleading EPS metric has become even more so in recent years because of the proliferation of non-GAAP “adjusted EPS” reporting practices.

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