The Dow suffers its biggest drop of the year, falling more than 600 points on renewed Russian-Ukrainian tensions. The White House claims Moscow is close to engineering a false-flag incident before invading, after border skirmishes. German insurance giant Allianz reports a Q4 loss on the back of a €3.7bn U.S. fund implosion charge. And Tesla CEO Elon Musk causes a storm on Twitter by likening Justin Trudeau to Adolf Hitler, before slamming the SEC, accusing it of attempting to curb his free speech in its oversight of his communications with stakeholders.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.