Silicon Valley

Crosswalk buttons along the Peninsula are sounding a new tune when pressed with voices mimicking Mark Zuckerberg and Elon Musk speaking a message.

The Supreme Court seems likely to keep alive a class-action lawsuit accusing Nvidia of misleading investors about its dependence on selling computer chips for the mining of volatile cryptocurrency. The justices heard arguments Wednesday in the tech company’s appeal of a lower-court ruling allowing a 2018 suit led by a Swedish investment management firm to continue. It’s one of two...