Oil prices were trading nearly 2% higher on Monday after the U.S. attacked an Iranian island in the Strait of Hormuz and drew retaliation from Tehran, as their conflict extended into its sixth month.Brent crude futures climbed $1.77, or 2%, to $89.87 a barrel by 0733 GMT while U.S. West Texas Intermediate crude was at $84.85, up $1.45, or 1.74%.U.S. forces struck two launchers on Iran's Larak Island in the Strait of Hormuz on Sunday, the first known American strikes on the country since late...