Bloomberg Volkswagen AG operated a top-secret site at its sprawling headquarters to test the diesel technology at the heart of the emissions-cheating scandal, reflecting the lengths those involved went to conceal their actions, people familiar with the matter said. Some engineers used the research facility in Wolfsburg, Germany, to upload the software that manipulated regulatory emissions checks, one of the ...

Bloomberg Neuralink Corp., the startup co-founded by billionaire Elon Musk, has taken steps to sell $100 million in stock to fund the development of technology that connects human brains with computers. The San Francisco-based company has already gotten $27 million in funding, according to a filing with the US Securities and Exchange Commission. Musk said Neuralink isn’t seeking outside investors. ...

There is much to dislike in President Trump’s trade agenda, but he is correct on one subject: China’s relentless quest to extort American “intellectual property”—technologies, business methods, patents. Trump took a swipe last week at China’s policies by ordering his top trade officials to investigate. Whether he can alter China’s behavior is unclear, but he is right to try, even ...