Stocks ended lower on Monday, with the Dow posting its lowest close since February 10, as fresh worries about Europe's banking system weighed on sentiment.

Based on the latest available data, the Dow Jones industrial average <.DJI> fell 126.82 points, or 1.24 percent, to end unofficially at 10,066.57. The Standard & Poor's 500 Index <.SPX> was down 14.04 points, or 1.29 percent, to finish unofficially at 1,073.65. The Nasdaq Composite Index <.IXIC> was down 15.49 points, or 0.69 percent, to close unofficially at 2,213.55.

(Reporting by Caroline Valetkevitch; Editing by Jan Paschal)