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Twitter surpasses revenue targets with ad improvements

Twitter Inc. on Thursday reported higher revenue growth than Wall Street had expected, as the social media platform rolled out ad targeting improvements and said changes by Apple to keep iPhone user data private had hit ad revenue less than anticipated.

US airlines say COVID-19 variants aren't hurting bookings

Rising concern about the fast-spreading delta variant of COVID-19 is creating turbulence for the stocks of big travel companies, but airline executives say they don’t see any slowdown in ticket sales, maybe because a high percentage of their best customers are fully vaccinated.