Tech Up on Volatile Trading – Tech Roundup

Shares of technology companies ticked up in volatile trading, amid ongoing debate about the sustainability of the artificial-intelligence boom. The Roundhill Magnificent Seven exchange-traded fund, comprised of the mega-cap companies that have driven the AI boom, fell by 0.9%. Tesla, long the world’s top seller of electric vehicles, lost first place to China’s BYD after reporting annual vehicle-delivery declines for the second year in a row. Chinese Internet giant Baidu’s AI chip unit Kunlunxin filed an application to list on the Hong Kong stock exchange, the latest company to capitalize on the frenzy surrounding artificial intelligence. A flight from workplace…