https://www.theguardian.com/technology/2023/may/03/ai-race-drives-down-stock-market-valuations-of-education-firms

Stock exchange companies threatened by Chegg observation that ChatGPT has hit revenues

The artificial intelligence race is already producing losers. On Tuesday, education companies trading on the London and New York stock exchanges saw hundreds of millions wiped from their valuations after Chegg, a US firm that provides online help to students for writing and maths work, said ChatGPT was affecting customer growth.