ALBAWABA - Gold prices fell on Friday, putting the precious metal on course for a weekly loss as uncertainty surrounding U.S.-Iran negotiations and escalating tensions across the Middle East continued to influence global markets. Spot gold fell 0.6% to $4,447.22 an ounce, dropping below the critical $4,450 level and on track for a weekly decrease of about 2%. The metal is still well below pre-war levels seen before the commencement ...