That bottom chart on the Swenlin link shows a "mirror" pattern in the P/E chart. The right side of the mirror is moving about twice as fast as the leading left side, so the implications would be P/E's in the 8-12 range for the next 4-5 years and a 20 P/E as the ceiling going forward into the next decade or more.
That fits my models as well. It's interesting when I see things that support my multi year models for the markets.
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