The dollar recorded a 10.5% weekly gain against the ruble Friday, its largest in six weeks, as West Texas Intermediate crude extended its decline — dropping as low as $57.34 a barrel, at one point. The buck also gained 3% against the Norwegian krone, 1.18% against the Canadian dollar and 2.6% against the Brazilian real in the past week. The dollar traded at 7.37 krone USDNOK, +0.00% , its highest level since 2003. It traded at 7.33 Thursday. The greenback traded at 1.155 Canadian dollars USDCAD, +0.00% , compared to 1.150 Thursday.
Crude-oil futures fell to their lowest since May 2009 on Friday, briefly dropping below $57 a barrel, after the International Energy Agency delivered the latest reduction in forecasts for global oil demand. On the New York Mercantile Exchange, light, sweet crude futures for delivery in January CLF5, -4.10% fell $2.14, or 3.6%, to settle at $57.81 a barrel.