Wall Street finished a back-and-forth session sharply higher today as investors sought bargains while also contending with concerns about the strength of the economy and upcoming corporate results.

Wall Street extended its rally with modest gains in the major indexes today following two days of sharp advances, despite economic readings which painted a mixed picture of the economy.

Stocks rallied strongly on Wall Street today as investors grew more confident about the prospects for the economy despite the impact of hurricanes Rita and Katrina.

Stocks tumbled sharply on Wall Street today as a second-quarter profit warning from Asda owners Wal-Mart Stores overshadowed strong economic news and a sharp drop in oil prices.