Global news you need to know before the U.S. stock market opens on Wednesday

Oil prices plummet, European defense stocks decline, report: The White House says a framework for Russia-Ukraine may be reached this week.
The battle for key minerals intensifies: The EU plans to establish strategic reserves to prevent the U.S. from "hijacking" supplies.
The sell-off of Japanese bonds escalates: The 10-year yield hits a new high since the financial crisis, and demand for the 20-year auction is weak.
The U.S. plans to approve the sale of advanced chips to Saudi Arabia, with NVIDIA and AMD expected to supply the Middle East.
Institutions: NVIDIA is shifting AI server memory from DDR5 to mobile LPDDR chips to reduce power consumption.
Report: Musk's xAI plans to raise $15 billion, with a valuation potentially reaching $230 billion.
KUAISHOU's Q3 revenue increased by 14% year-on-year, net profit rose by 37% year-on-year, and KuaLing AI revenue exceeded 300 million, with DAU hitting a record high for three consecutive quarters.
Achieved profitability for the first time in a single quarter! KINGSOFT CLOUD's Q3 adjusted net profit was 28.7 million yuan, with AI billing business revenue growing by 120% year-on-year.
Duan Yongping's Q3 holdings: Significantly increased holdings in Berkshire, cut NVIDIA holdings by 38%, reduced positions in Apple, Pinduoduo, and Google, and initiated a position in ASML.
Bitcoin's sharp decline drags down the global largest spot Bitcoin ETF, with record redemptions in a single day, and nearly $2 billion net outflow in November.
Well-known cryptocurrency exchange Kraken raises $200 million, with a valuation reaching $20 billion, and Citadel Securities takes a stake.
Nikkei 225 closed down 0.3%, Shanghai Composite Index closed up 0.18%; Hang Seng Index closed down 0.38%