Business data

 OPEC's decision to gradually increase crude oil supply continued to support the market atmosphere. The US dollar exchange rate continued to weaken. The deadlock in the negotiations on a new round of new coronavirus rescue plan in the US Congress may be broken, offsetting the impact of the record high new cases of new coronavirus pneumonia in the United States. The international oil price rose for the third consecutive day, with Brent crude oil futures close to $50 a barrel since the beginning of March highest. On Friday (December 4), the settlement price of West Texas light oil in January 2021 on the New York Mercantile futures exchange was $46.26, up $0.62, or 1.4%, from the previous trading day, with a trading range of 45.61-46.68; the settlement price of February 2021 futures of London Intercontinental Exchange Brent crude oil was $49.25 per barrel, up $0.54, or 1.1%, over the previous trading day, with a trading range of 48.77-49.92 Dollars.