False news often spreads via public groups, or chats, with potentially fatal effects. The Russian invasion of Ukraine has been a driving force in markets for the past few weeks. Some privacy experts say Telegram is not secure enough Stocks closed in the red Friday as investors weighed upbeat remarks from Russian President Vladimir Putin about diplomatic discussions with Ukraine against a weaker-than-expected print on U.S. consumer sentiment. Despite Telegram's origins, its approach to users' security has privacy advocates worried.
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