Oil prices edged up in volatile trade on Monday but closed at a one-month low on the expiration of a higher-priced contract, as the market digested U.S. President Donald Trump's planned imposition of tariffs on Canada,

The US crude benchmark outpaced gains in other oil markets after President Donald Trump announced tariffs that threaten flows from two of America’s biggest foreign suppliers.

OIL prices edged up in volatile trade on Monday but closed at a one-month low on the expiration of a higher-priced contract, as the market digested US President Donald Trump’s planned imposition of tariffs on Canada,