In late morning trading, the Dow Jones industrial average rose 525.68, or 6.22 percent, to 8,976.87. Photo by Richard Drew / Associated Press Trader Alan Valdes smiles as he works on the floor of the New York Stock Exchange Monday. Wall Street snapped back Monday from last week's devastating losses after major governments announced further steps to support the global banking system, including plans by the U.S. Treasury to buy stocks of some banks. STOCK MARKETS Here are direct links to two stock exchanges in New York: •New York Stock Exchange: http://www.nyse.com • Nasdaq Stock Market: http://www.nasdaq.com By TIM PARADIS Associated Press NEW YORK - Wall Street snapped back from last week's devastating losses Monday morning after major governments announced further steps to support the global banking system, including plans by the U.S. Treasury to buy stocks of some banks. All the major indexes rose well over 6 percent, and the Dow Jones industrials gained 500 points in morning trading. The hope on the Street was that the market was finding a bottom after eight sessions of devastating losses that sent the Dow down nearly 2,400 points. But while a rebound had been expected at some point, Wall Street can expect to see volatile, back-and-forth trading in the coming days and weeks as investors work through their concerns about the banking sector, the stagnant credit markets and the overall economy. But the market did appear to take heart ...