US Business

Apple was also apparently hacked. It was latest in a series of security failures on the social-media platform.

Walmart and Kroger will require customers to wear face coverings inside all their U.S. stores, joining a growing chorus of big businesses and state leaders deciding that masks are needed to battle the surge in coronavirus cases.

The airline told tens of thousands of employees that their jobs are at risk after federal aid expires Oct. 1, as air-travel demand falls again amid climbing coronavirus infections.

Capacity restrictions, stringent cleaning protocols, conflicting guidance from authorities at different levels of government and concerned clients have damped reopenings in California.

Before it unraveled, German payments company Wirecard spewed out news releases publicizing partnerships with blue-chip names such as SAP and SoftBank. Some of those announcements were misleading or were promoted without the agreement of the companies involved.

A new U.S.-funded trial would seek 30,000 subjects and could deliver an answer by year-end about whether the vaccine induces immune responses sufficient to protect people safely.

The British government said it would bar telecom companies from purchasing new equipment made by China’s Huawei and gave them until 2027 to remove its technology from their 5G wireless networks, a sharp about-face that marks a significant victory for the U.S.

General Motors and Ford are struggling to keep workers on the job as coronavirus cases increase, forcing the companies to cut shifts, hire new workers and transfer others to fill vacant roles.

Facebook and other competitors host the same videos, but engineers have made changes that effectively preference YouTube—owned by Google—over other video sources. Journal tests show YouTube usually ends up first and takes most of the slots in Google Search video carousels, prime results real estate.

Delta Air Lines trimmed plans for more summer flights as Covid-19 cases increased nationwide and a $5.7 billion loss for the latest quarter underscored the depth of the crisis facing the aviation industry.