NEW YORK — U.S. stocks and oil prices are drifting toward a quiet finish of the week Friday following their earlier fireworks on worries about how the war with Iran will affect the global flow of crude.

The S&P 500 rose 0.2% and was on track to close out a fourth winning week in the last five. The Dow Jones Industrial Average was up 143 points, or 0.3%, as of 11:30 a.m. Eastern time, and the Nasdaq composite was 0.1% higher.

Oil prices eased following earlier fluctuations as a series of unclaimed airstrikes hit Iran after the U.S. said it finished its attacks. The price for a barrel of Brent crude oil, the international standard, slipped 0.5% to $75.92.

That’s above its $72 price from the start of the week, but it’s still well below…