The Dow and S&P 500 have falled to levels not seen since the 1990s. It's the Dow's lowest close since May 1997. Both the Dow and S&P 500 lost over 3% as they plunged to new lows. The Nasdaq lost nearly 4% on the day. Concern about the strength of the economy continues to drive stocks downward. Here's a look at the numbers for today.