The Dow industrials closed below 10,000 for the first time since November on Monday as investors sold bank shares due to heightened concerns about the euro zone's sovereign debt troubles.

The Dow Jones industrial average <.DJI> closed down 103.84 points, or 1.04 percent, at 9,908.39, according to the latest available figures. The Standard & Poor's 500 Index <.SPX> dipped 9.44 points, or 0.89 percent, at 1,056.75. The Nasdaq Composite Index <.IXIC> fell 15.07 points, or 0.70 percent, at 2,126.05.

(Reporting by Angela Moon, Editing by Kenneth Barry)