Oil prices continued to drop on Monday following progress in talks between the U.S. and Iran and the Treasury Department's authorization of Iranian oil sales under a 60-day license.
Brent crude, the international benchmark, dropped more than 3% and stood below $77.50 a barrel at 9:57 a.m., while West Texas Intermediate, the U.S. benchmark, fell 2.77% and clocked in at $73.77 at the same time.