Oil is heading for a fifth straight weekly gain, with Brent near $109, as the Strait of Hormuz remains shut for a third week, keeping supply tight despite policy efforts to ease the market. Oil is heading for a fifth straight weekly gain, with Brent near $109, as the Strait of Hormuz remains shut for a third week, keeping supply tight despite policy efforts to ease the market. Friday, March 20, 2026 Oil markets are set to post their fif... [5049 chars]