BRKA

KORAT, Thailand—When Wimonsiri Boonyopakorn ‘s husband moved to Bangkok for work, the 35-year-old schoolteacher decided to buy a car so she could make the…

Warren Buffett’s Berkshire Hathaway Inc. BRK.B 0.35% is making a multibillion-dollar bet on a Taiwanese chip maker. For years, Berkshire…

Researchers at the University of North Carolina Tax Center analyzed securities filings to determine what companies would have paid if the tax had been in place last year. They found fewer…

HONG KONG— Warren Buffett’s investment firm said it sold shares of Chinese electric-vehicle maker BYD Co.…

Electric-truck startup Nikola Corp. NKLA 3.23% said it has agreed to buy battery-technology company…

SoftBank Group Corp. 9984 2.20% said Chief Operating Officer Marcelo Claure, who helped clean up problems…

The global auto industry is investing billions of dollars in chips made of silicon carbide, a more robust cousin of Silicon Valley’s namesake element that companies believe can help them…

Chime Financial Inc. raised $750 million in its latest funding round, in a move that values the financial-technology startup at about $25 billion and sets it up for an initial…

Geico, the nation’s second-biggest auto insurer, will try to speed up vehicle repairs for its policyholders by running photographs of damaged vehicles through artificial-intelligence…

Microsoft Corp. board members decided that Bill Gates needed to step down from its board in 2020 as they pursued an investigation into the billionaire’s prior…