Bloomberg AT&T Inc. has deployed a drone to act as a “cell tower in the sky” to help provide communication services in hurricane-ravaged Puerto Rico, the first time the technology has been used to reconnect residents after a disaster, the company said. The Federal Aviation Administration announced its approval for the use of the vehicle, which resembles a small helicopter. ...

Bloomberg Apple Inc. is working on a rear-facing 3-D sensor system for the iPhone in 2019, another step towards turning the handset into a leading augmented-reality device, according to people familiar with the plan. Apple is evaluating a different technology from the one it currently uses in the TrueDepth sensor system on the front of the iPhone X, the people ...

Bloomberg China’s central bank said it will closely monitor liquidity conditions amid its campaign to reduce debt levels, in a quarte-rly report where it reiterated a commitment to “prudent and neutral” monetary policy. The People’s Bank of China seeks an “optimal” environment to help stabilize economic growth, while facilitating dele-veraging, curbing bubbles and preventing risks, according to a quarterly report ...