The regulator said it has been undertaking several campaigns to educate the investors to be vigilant while taking investment decisions based on stock tips. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Friday’s performance was part of a larger shift. For the week, the Dow, S&P 500 and Nasdaq fell 2%, 2.9%, and 3.5%, respectively. In the United States, Telegram's lower public profile has helped it mostly avoid high level scrutiny from Congress, but it has not gone unnoticed. Telegram was founded in 2013 by two Russian brothers, Nikolai and Pavel Durov.
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