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The exchange rate of the Canadian dollar against the US dollar fell to the lowest level since April 2020. As the US dollar strengthened for the fifth consecutive day, the Canadian dollar fell below 1.42 Canadian dollars against the US dollar for the first time since April 2020. According to informed officials, Canada is studying that if US President-elect Donald Trump fulfills his threat to impose extensive tariffs, Canada will impose export taxes on its main exports to the United States.International oil prices fell on the 12th. As of the close of the day, the light crude oil futures price for January delivery in the New York Mercantile Exchange fell by 27 cents to close at 70.02 US dollars per barrel, a decrease of 0.38%. London Brent crude oil futures for February delivery in 2025 fell 11 cents to close at $73.41 a barrel, a decrease of 0.15%.The Dow Jones Industrial Average is now at 43,983.32 points, down 165.24 points.

NASDAQ China Golden Dragon Index closed up 0.18%, NASDAQ China Golden Dragon Index closed up 0.18%, popular Chinese stocks were mixed, Tencent Music rose over 2%, and Pinduoduo and Baidu rose over 1%. In terms of decline, iQiyi and Youdao fell more than 2%, and Weilai fell more than 1%.The Dow Jones Industrial Average is now at 43,983.32 points, down 165.24 points.The U.S. Senate has obtained enough votes to confirm Biden's nominee, Marzano, as a member of the Nuclear Regulatory Commission.

Google CEO is expected to meet with US President-elect Trump on December 13th, local time.White House: Biden's approval of an aid program to Ukraine will provide more air defense systems, etc. On December 12, local time, John Kirby, strategic communication coordinator of the US White House National Security Council, said at the White House briefing that day that US President Biden approved a new Ukrainian security assistance program on the 12 th, which will provide Ukraine with more air defense systems, artillery, drones and armored vehicles. Kirby said that this is the 72nd such material deployment assistance announced by the United States, and the United States will continue to provide additional aid packages until the end of the current government.The Israeli army said that it destroyed more than 90% of Syria's surface-to-air missiles. On the 12th, the Israel Defense Forces issued a statement saying that it had "seriously damaged" Syria's air defense system and destroyed more than 90% of the identified surface-to-air missiles. The statement said that in recent weeks, the Israel Defense Forces have been conducting a comprehensive assessment of the situation in Syria. The Israeli Air Force has formulated a "comprehensive strike plan" aimed at destroying Syria's powerful military capabilities in the face of escalating regional tensions. In the past few days, hundreds of Israeli air force fighters and other aircraft launched coordinated strikes, which dealt a major blow to Syria's "most strategic weapon system."