Ireland’s data-protection watchdog, the DPC, said it is investigating X over concerns that the social-media platform could be breaching European Union privacy rules. “The DPC has been engaging with ...

Researchers at Microsoft have created a data-storage system that can remain readable for at least 10,000 years — and probably much longer. In the digital age, the need for data storage is ballooning.

Shares of Caterpillar, the maker of mining and construction machinery, are up more than 30% since year-end, making it the biggest contributor to the Dow Jones Industrial Average. WSJ’s Jonathan Weil ...