The Fed has unlimited power to create bank reserves and control interest rates, which affect the valuation of every asset.

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Age-wave theorists believe that age demographics affect U.S. stock market valuation.

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If you bought a stock for its growth characteristics and the rate of growth is showing signs of slowing, that would be a cause for concern. (This would particularly be the case if it looks like internal factors had an adverse affect.) Conversely, if you bought a stock because the valuation was cheap, a merely decent (as opposed to a great) report might be acceptable.

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