Stocks mostly rose on Tuesday as investors bet European leaders would take strong steps this week to end the region's debt crisis, including bolstering its financial rescue fund.

Based on the latest available data, the Dow Jones industrial average <.DJI> was up 52.30 points, or 0.43 percent, to close unofficially at 12,150.13. The Standard & Poor's 500 Index <.SPX> was up 1.39 points, or 0.11 percent, to finish unofficially at 1,258.47. But the Nasdaq Composite Index <.IXIC> was down 6.20 points, or 0.23 percent, to close unofficially at 2,649.56.

(Reporting by Caroline Valetkevitch; Editing by Jan Paschal)