The picture was mixed overseas. Hong Kongโs Hang Seng Index fell 1.6%, under pressure from U.S. regulatory scrutiny on New York-listed Chinese companies. Stocks were more buoyant in Europe, where Frankfurtโs DAX surged 1.4%. Fridayโs 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. Individual messages can be fully encrypted. But the user has to turn on that function. It's not automatic, as it is on Signal and WhatsApp. "And that set off kind of a battle royale for control of the platform that Durov eventually lost," said Nathalie Marรฉchal of the Washington advocacy group Ranking Digital Rights. Telegram was co-founded by Pavel and Nikolai Durov, the brothers who had previously created VKontakte. VK is Russiaโs equivalent of Facebook, a social network used for public and private messaging, audio and video sharing as well as online gaming. In January, SimpleWeb reported that VK was Russiaโs fourth most-visited website, after Yandex, YouTube and Googleโs Russian-language homepage. In 2016, Forbesโ Michael Solomon described Pavel Durov (pictured, below) as the โMark Zuckerberg of Russia.โ
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