提醒：今日欧美主要市场因圣诞节休市

Group 1 - The U.S. stock market is closed for one day due to the Christmas holiday [1] - Trading for Brent crude oil futures on the Intercontinental Exchange is suspended for the entire day [1] - Major European stock markets, including Germany, France, the UK, Italy, and Spain, are also closed for the Christmas holiday [1] Group 2 - The Australian and South Korean markets are closed today as well [1]