U.S. crude prices gained on Friday, after a session of choppy trading, as investors assessed the potential impact of the U.S. airstrikes in Iraq on global oil supplies. Light, sweet crude for September delivery rose 31 cents, or 0.3%, in price to settle at $97.65 a barrel on the New York Mercantile Exchange. The market traded in a range of $1.30 between the day’s highs and lows, turning negative for part of the session before climbing back in the afternoon. The global Brent crude-oil contract also seesawed, trading over a range of $2.18 and at one point hitting a one-week high. Brent crude for September delivery ended down 42 cents at $105.02 a barrel on the ICE Futures Europe exchange. Andy Lebow, a trader at investment bank Jefferies, said some market participants were placing bets on prices either rising or falling, as they sought to assess the impact of […]