But ever since September's report investors have been concerned that OpenAI, the unprofitable maker of ChatGPT, accounts for too much of Oracle's future revenue. Executives addressed those fears on Wednesday, highlighting new contracts with Meta Platforms (META) and Nvidia, and said cloud resources could be reassigned to new customers in a matter of hours. What happens when investors start turning a microscope on promises of AI-driven gold? That question was hammering AI stocks on Thursday after tech giant ...