NEW YORK (Reuters) - Stocks rallied on Tuesday, sending the broader market to its biggest one-day advance in more than five years, after a deep interest rate cut and solid results from two top investment banks calmed credit market concerns.Based on the latest available data, the Dow Jones industrial average <.DJI> jumped 420.41 points, or 3.51 percent, to unofficially close at 12,392.66.The Standard & Poor's 500 Index <.SPX> unofficially finished up 54.14 points, or 4.24 percent, at 1,330.74 -- a rise that marked its biggest one-day advance since October 2002.The Nasdaq Composite Index <.IXIC> racked up its biggest one-day surge since March 2003, unofficially ending up 91.25 points, or 4.19 percent, at 2,268.26.(Reporting by Ellis Mnyandu; Editing by Jan Paschal)
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