Meta downplays DeepSeek, but may be copying the Chinese AI behind closed doors
Meta CEO Mark Zuckerberg said the company will invest billions in AI despite the DeepSeek surprise; wants Llama 4 to lead the market.
Stock market today: Meta climbs and Microsoft falls as most stocks rise on Wall Street
Meta Platforms and most other U.S. stocks are rising Thursday following a rush of profit reports from some of the country's most influential companies, but drops for Nvidia and Microsoft are keeping ...