I want a secure messaging app, should I use Telegram? Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. Anastasia Vlasova/Getty Images For tech stocks, “the main thing is yields,” Essaye said. The Dow Jones Industrial Average fell 230 points, or 0.7%. Meanwhile, the S&P 500 and the Nasdaq Composite dropped 1.3% and 2.2%, respectively. All three indexes began the day with gains before selling off.
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