Stocks set to plunge ahead of bad jobless numbersNEW YORK (Reuters) - Stock index futures pointed to a sharply lower open on Wall Street on Thursday, with futures for the S&P 500 down 2 percent, Dow Jones futures down 1.5 percent and Nasdaq 100 futures down 2.2 percent at 5:17 a.m. EDT. Aug 18, 2011
