U.S. stocks are mostly higher in midday trading after four straight days of losses.

The price of oil fell for the first time in a week Friday. It jumped the day before on worries that conflict in the Middle East would affect the flow of crude from the region.

The Dow Jones industrial average slipped four points, less than 0.1 percent, to 17,676 as of 11:45 a.m. Eastern time.

The Standard & Poor's 500 rose a point to 2,057. The Nasdaq composite rose 13 points, or 0.3 percent, to 4,876.

Oil fell $1.36 to $50.06 a barrel in New York.

Cruise operator Carnival jumped 6 percent after reporting income that was higher than analysts were expecting.

Bond prices rose. The yield on the 10-year Treasury note fell to 1.97 percent.