By Georgina McCartney

Summary:

– Brent , WTI fall nearly 2% Tuesday.

– U.S. sanctions target Russia ‘s top oil firms.

– OPEC + weighs new output increase for December.

HOUSTON — Oil prices slipped about 2% on Tuesday, marking a third straight day of declines as investors considered the impact of U.S. sanctions against Russia’s two biggest oil companies on global supply, along with a potential OPEC+ plan to raise output.

Brent crude futures settled down $1.22, or 1.9%, to $64.40 a barrel. U.S. West Texas Intermediate crude futures settled down $1.16, or 1.9%, at $60.15.

Brent and WTI last week registered their biggest weekly gains since June, reacting to U.S. President Donald Trump’s decision to impose Ukraine-related sanctions on Russia for the first time in his s

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