https://apnews.com/article/chegg-stock-shares-chatgpt-ai-a877423bd4a8f67b1494363fc81cf52a > Shares of the education technology company Chegg lost half their value Tuesday after its CEO warned that OpenAI's free ChatGPT service was cutting into its growth. > Chegg CEO Dan Rosensweig told investors on a conference call Monday that early in the year, the company was meeting expectations for new sign-ups for its educational services. But that shifted in recent months.