"My guess is [Putin] will move in, he has to do something," Biden said when asked about the more than 100,000 Russian troops positioned along Ukraine's border.
Borrowing costs for the German government continued their push higher on Wednesday, with the benchmark 10-year bund yield trading in positive territory for the first time in nearly three years.
Infectious disease experts have warned against complacency with Covid-19, despite health officials claiming infection is practically inevitable for most people.
Tensions between Russia and Ukraine have cast a shadow over energy markets, and the uncertainty could mean prolonged high gas prices for Europe, analysts say.
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