Stock prices rise, but dollar falls to a 15-year low against the Japanese yen.
Citigroup announced better-than-expected earnings, which helped boost the broader stock market.
Stock market news was slightly negative Monday morning, as world markets fell and earnings expectations were weak.
Since March 2009, the Standard & Poor's average has rebounded 76 percent, and the stock market could be getting ready for more gains in the months ahead.
Stock markets from Asia to Europe are higher, anticipating that the Federal Reserve will try to boost the struggling US economy.
Stock prices expected to fall in the US as well at the start of a key week of economic reports.
The May 6 'flash crash' of the stock market was set off by a single $4.1 billion 'sell' order, the SEC reported Friday.
Data continue to point to a tepid economic recovery for the US rather than a dip into a second recession. The latest clue: Incomes were up for Americans in August, but only 0.5 percent.