Wall Street is extending its rally as it grows more optimistic that the U.S. economy is on the mend.
The major indexes jumped more than 2 percent Thursday, and the Dow Jones industrials rose more than 200 points, as the world's finance leaders met in London to discuss efforts to fix the global economy. The G-20 ministers plan to give the International Monetary Fund $500 billion, and create stricter rules for hedge funds.
