Oil prices leap on worries about Iran war, while U.S. stocks trim their sharp losses

The S&P 500 fell as much as 1.2% at the start of trading, and cruise lines and airlines led the way lower. But the index quickly erased the loss, in part because past military conflicts have not led to sustained drops for markets, and it was back to virtually unchanged in midday trading.The Dow Jones Industrial Average was down 58 points, or 0.1%, as of 12:37 p.m. Eastern time, and the Nasdaq composite was 0.4% higher.Prices for natural gas remained higher, meanwhile, which could raise heating bills for the ...