US Business

An Arizona medical assistant described the impact she felt after receiving pregnancy-test results that she said were inaccurate.

The company’s oversight board is examining Facebook’s practice of holding high-profile users to separate sets of rules, citing apparent inconsistencies in decision-making. The inquiry follows an investigation by The Wall Street Journal into the system, known internally as “XCheck.”

The Justice Department-led Team Telecom is looking into whether Zoom’s China ties could make its acquisition of the software company a national-security risk.

Johnson & Johnson said a booster dose of its Covid-19 vaccine administered two months after the first shot increased protection against symptomatic illness in trial participants.

The sale is one of the biggest recent transactions in the shale patch as large oil companies come under increasing pressure to diversify beyond fossil fuels.

Federal regulators have launched an investigation into Activision Blizzard, including how the videogame company handled employees’ allegations of sexual misconduct and workplace discrimination.

Apple just released the latest iOS. It doesn’t bring a big visual overhaul, but new tools like weather notifications, a Focus mode and Live Text photo scanning make everyday use easier.

The companies said the Covid-19 vaccine generated levels of antibodies that were similar to those of younger adults. Pfizer will seek emergency use authorization in the U.S. as early as the end of the month.

The largest U.S. pharmacy chain by stores said it plans to add 25,000 employees this week in a single-day hiring spree to prepare for a potential surge in demand for Covid-19 booster shots.

Facebook knows, in acute detail, that its platforms are riddled with flaws but hasn’t fixed them. That’s a key finding of a Journal series that launched this week, based on an array of internal company documents. Read all the stories here.