U.S. stocks fell at open on Thursday on growing concerns about the increase in civil unrest in Egypt.

The Dow Jones industrial average <.DJI> was down 13.77 points, or 0.11 percent, at 12,028.20. The Standard & Poor's 500 Index <.SPX> was down 1.54 points, or 0.12 percent, at 1,302.49. The Nasdaq Composite Index <.IXIC> was down 1.67 points, or 0.06 percent, at 2,747.89.

(Reporting by Angela Moon, Editing by)