The Russian invasion of Ukraine has been a driving force in markets for the past few weeks. The Security Service of Ukraine said in a tweet that it was able to effectively target Russian convoys near Kyiv because of messages sent to an official Telegram bot account called "STOP Russian War." "He has kind of an old-school cyber-libertarian world view where technology is there to set you free," Maréchal said. The regulator said it had received information that messages containing stock tips and other investment advice with respect to selected listed companies are being widely circulated through websites and social media platforms such as Telegram, Facebook, WhatsApp and Instagram. Anastasia Vlasova/Getty Images
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