Index jumps nearly 500 points as optimism returns to Wall St.
(Newser) -
Stocks closed higher on Wall Street Tuesday as technology stocks rallied following a weak start. The S&P 500 rose 70.52 points, or 1.6%, to 4,462.21. The Dow Jones Industrial Average rose 499.51 points, or 1.5%, to 34,911.20 in its biggest rise...