Over the past 10 years, the S&P 500 has achieved a total return, including dividends, averaging -0.03% annually. Over the past 13 years, the total return for the S&P 500 has averaged just 3.23%. Why have stocks performed so poorly? One word. Valuation. If investors take nothing else from these commentaries, there are two primary lessons that should be clear. First, the poor market returns that investors have achieved for more than a decade were entirely predictable during the late 1990's, based on the historical relationship between valuations and subsequent returns. Second, from current valuations, the similarly poor returns that investors are likely to achieve over the coming 5-7 year period are also predictable based on the same evidence.
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