International oil prices fell significantly on the 15th.

As of the close of trading that day, the price of light crude oil futures for delivery in February on the New York Mercantile Exchange fell by $2.83 to $59.19 per barrel, a decrease of 4.56%; the price of Brent crude oil futures for delivery in March on the London Exchange fell by $2.76 to $63.76 per barrel, a decrease of 4.15%.