Global markets are facing volatility after Donald Trump vowed to slap tariffs on eight European nations until the U.S. is allowed to buy Greenland, news that pushed the euro to a seven-week low. https://www.japantimes.co.jp/business/2026/01/19/markets/markets-euro-trump-tariffs-greenland/?utm_medium=Social&utm_source=mastodon #business #markets #markets #euro #eu #europe #greenland #us #donaldtrump #trade #tariffs #republicans