The US dollar weakened against its Canadian counterpart Friday afternoon, as US retail sales unexpected posted a 0.6% drop in July, compared with a revised gain of 0.2% in June, the US Census Bureau reported earlier today.
The decline lowers expectations the Federal Reserve would raise interest rates.
The US dollar edged down 0.4% lower to C$1.3878 on last look.
West Texas Intermediate September futures rose 1.0% to $82.29 per barrel, while Brent crude futures for October delivery rose 1.2% to $88.32 per barrel.
Comex gold for December delivery edged up 0.3% to $4,435 per ounce.