* Drop in oil prices lifts retailers, airlines.

* Dow Jones industrial average <.DJI> rises 12.67 points, or 0.15 percent, to 8,212.81. The S&P 500 Index <.SPX> gains 1.12 points, or 0.13 percent, to 843.74. The Nasdaq Composite Index <.IXIC> adds 22.20 points, or 1.49 percent, to 1,511.84.

(Reporting by Rodrigo Campos; editing by Gary Crosse)