伯克希尔哈撒韦在9月17日至21日期间收购了约270万股莱纳公司A类股票和75,021股B类股票。

Legal AI startup Harvey, valued at about $15.6bn, built its product around training models similar to OpenAI's GPT-4 for law firms. After a March update client usage surged but gross margin fell from roughly 50% at the start of the year to -50% in June, a person familiar with the matter said. Facing rising AI operating costs, Harvey has shifted to open-weight AI—cheaper than proprietary US offerings and allowing firms to train custom models on their own data—joining a growing number of software companies making the move.

Saudi state TV reported French President Macron told U.S. President Trump they discussed the security situation in the Red Sea and the need to ensure safe passage for oil tankers.