(Reuters) -Nvidia is set to invest up to $100 billion in OpenAI and supply it with data center chips, in a deal that gives the chipmaker a financial stake in the world's most prominent AI company, which is already an important customer. Investments in systems powering AI have surged since OpenAI launched ChatGPT in 2022, on expectations that companies across sectors will integrate the technology into their products and services. Here is a list of multi-billion dollar AI, cloud and chip deals signed recen ...