Oil extends gain as OPEC crude production slips ahead of meeting

The flag of the Organization of Petroleum Exporting Countries (OPEC) stands on a desk during a news conference at the OPEC Secretariat in Vienna, Austria. Photographer: Lisi Niesner/Bloomberg
The flag of the Organization of Petroleum Exporting Countries (OPEC) stands on a desk during a news conference at the OPEC Secretariat in Vienna, Austria. Photographer: Lisi Niesner/Bloomberg

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