The S&P 500 (^GSPC 0.94%) has advanced 2% year to date, but history says the index is headed much higher in the next year. A survey from the American Association of Individual Investors showed 61.9% of respondents were bearish during the week ended April 3, which means they expected the market to decline over the next six months. Bearish sentiment has only topped 60% in eight weekly surveys since 1987. In this case, the tariffs imposed by the Trump administration were responsible for the widespread pessimis ...