Crude oil benchmarks on the New York and London markets fell by more than $1/bbl on Dec. 6 after the Organization of Petroleum Exporting Countries met in Vienna but delayed any announcement until reconvening for a second day Dec. 7. OPEC formally ended its meeting on Dec. 7 and convened in a closed session meeting with a group of 10 non-OPEC members, led by Russia.

Source: News