Traders work on the floor of the New York Stock Exchange, November 20, 2008. Wall Street plunged Thursday sending the Stand & Poor's 500 index to its 11-year-low on concerns about a deeper recession. The S&P 500 index fell 54.14, or 6.71 percent, to 752.44. (Xinhua/Reuters Photo)

(Xinhua News Agency November 21, 2008)