Pay close attention to the latest development of Sino US trade negotiations, and wait for US crude oil inventory data. On Tuesday (November 12), international crude oil fell slightly. The settlement price of West Texas light oil futures in December 2019 on the New York Mercantile futures exchange was $56.80 per barrel, down 0.06 or 0.1% compared with the previous trading day, with a trading range of $56.54-57.55 per barrel; London Intercontinental Exchange Brent crude oil settled at $62.06 per barrel in January 2019, down $0.12/barrel, or 0.2%, from the previous trading day, with a trading range of $61.82-62.85/barrel.