Donald Trump’s threat to slap new tariffs on European allies — combined with a plunge in Japanese debt — boosted measures of price swings from historically low levels. https://www.japantimes.co.jp/business/2026/01/21/markets/markets-greenland-japan-trading/?utm_medium=Social&utm_source=mastodon #business #markets #markets #greenland #wallstreet #donaldtrump #stockmarket