Perplexity AI has raised $73.6 million in its latest funding round from a group of investors including U.S. chip designer Nvidia and Amazon founder Jeff Bezos in a deal valuing the artificial intelligence startup at $520 million. The round was led by Institutional Venture Partners, the San Francisco, California-based company said on Thursday. Perplexity AI, which raised $25.6 million in March last year in a round led by New Enterprise Associates, said the latest funding would help in customer adoption and global expansion...

Microsoft (MSFT) will be adding a Copilot Key to its Windows 11 PC keyboards, giving easier and direct access to its AI assistant program. The tech giant has made waves in the AI world, with its links to OpenAI, and Yahoo Finance’s Seana Smith and Madison Mills take a deep dive into the lasting impact this new hardware feature could have on setting the company apart from competitors. For more expert insight and the latest market action, click here to watch this full episode of Yahoo Finance Live. Editor's note: This article was written by Eyek Ntekim...

Microsoft said it is adding a button to its Windows keyboard that would pull up the tech giant's Copilot service, in the first change for the device in nearly three decades. The "Copilot key", announced on Thursday, marks the latest effort by the company, which is investing billions in AI, to incorporate the technology in its products. These machines work on advanced chips capable of running large-language models and apps powered by the technology directly on the device instead of the cloud...