Stock index futures signal strong gains
August 23, 2011 at 04:11 AM EDT
NEW YORK (Reuters) - Stock index futures pointed to a strong open on Wall Street on Tuesday, with futures for the S&P 500 up 1.97 percent, Dow Jones futures up 1.62 percent and Nasdaq 100 futures up 1.61 percent at 3:54 a.m. EDT.
