NEW YORK (Reuters) - Stocks plunged on Monday in Wall Street's worst slide in more than a month as investors worried about the outlook for embattled bank Citigroup and expectations of dismal fourth-quarter earnings mounted.
* CITIGROUP (C.NY)tumbled more than 20 percent to $5.38, a slide that put the S&P index of financial companies <.GSPF> on track for its fourth day of losses, the longest losing streak since Citigroup got government aid in November.
* The Dow Jones industrial average <.DJI>, which fell as much as 2 percent, was down 145.36 points, or 1.69 percent, at 8,453.82 in late trading. The Standard & Poor's 500 Index <.SPX> lost 22.04 points, or 2.48 percent, at 868.31. The Nasdaq Composite Index <.IXIC> shed 35.07 points, or 2.23 percent, at 1,536.52.
(Reporting by Deepa Seetharaman; Editing by James Dalgleish)
