International oil prices rose on the 21st.

As of the close of trading that day, the price of light crude oil futures for delivery in October on the New York Mercantile Exchange rose 81 cents to $63.52 per barrel, an increase of 1.29%; the price of Brent crude oil futures for delivery in October on the London Brent Exchange rose 83 cents to $67.67 per barrel, an increase of 1.24%.