Nvidia shares closed at a record on Monday, climbing 2.4% to $138.07, with the stock now up almost 180% for the year. Nvidia has been the biggest beneficiary of the generative AI boom, which started with the public release of OpenAI’s ChatGPT in November 2022. Companies including Microsoft, Meta, Google, and Amazon are purchasing Nvidia GPUs in massive quantities to build increasingly large clusters of computers for their advanced AI work.