#PreMarket Primer for Tuesday, February 4: Will The Plunge Continue?

Traders know the markets are in a bad way when construction spending and manufacturing data can spark a 300-point plunge in the Dow. The Dow ended down two percent to close at 15,372.80. The S&P fell 2.3 percent to 1,741.89 and the NASDAQ had the worst day falling 2.6 percent to