C3.ai, Inc. (NYSE: AI) saw its stock plummet by 5.07% during Friday's intraday trading session, as concerns over artificial intelligence (AI) stock valuations intensified. This significant drop comes in the wake of news that billionaire investor David Tepper's Appaloosa Management has substantially reduced or completely exited positions in several prominent AI stocks.

According to recent 13F filings, Tepper's fund sold shares of five major AI-related companies, including Advanced Micro Devices, Intel, Lam Research, Nvidia, and Microsoft. While C3.ai was not explicitly mentioned in Tepper's sell-off, the move has sparked broader concerns about the AI sector's valuation and growth prospects, likely contributing to C3.ai's stock decline.

Market analysts suggest that Tepper's actions may signal growing caution towards AI stocks. The sell-off could be attributed to various factors, including potential oversupply of AI chips in the near future and historical patterns of "next-big-thing" technologies experiencing bubble-bursting events. As C3.ai is a pure-play AI company, it may be particularly vulnerable to shifts in investor sentiment towards the AI sector. Investors are advised to monitor the situation closely as the AI market continues to evolve and mature.