The S&P 500 Just Went Up 9 Days in a Row. Here's What History Says Happens Next.

  • If you've been investing for any time at all, you know stocks don't go up in a straight line forever. That reality has never been more clear than the last few months as the S&P 500 (^GSPC -0.77%) fell from its all-time high set in February with losses accelerating in early April.