U.S. stocks end higher, with major indexes rising 3% on debt deal in Europe; Dow's up 340

SAN FRANCISCO (MarketWatch)
U.S. stocks rallied about 3% Thursday as investors bid up banks, resource and tech stocks after European leaders reached a deal to leverage their bailout fund, pump more money into banks and restructure Greece's debt.
The first estimate of U.S. economic growth for the third quarter also helped.
The Dow Jones Industrial Average rose 339.51 points, or 2.9%, to 12,208.55, its first close above 12,000 since Aug. 1 and the highest since July 28.
The S&P 500 gained 42.59 points, or 3.4%, to 1,284.59.
The Nasdaq Composite rose 87.96 points, or 3.3%, to 2,738.63.
For the nearly ended month, the major indexes have advanced more than 11%.