Walmart (WMT) stock rose nearly 5% on Tuesday to hit an all-time closing high of $107.21 after the company became the latest to announce a partnership with OpenAI (OPAI.PVT). Walmart said that customers will be able to shop and purchase items directly on the ChatGPT platform using Instant Checkout. Additionally, on the flagship Walmart website and Sam's Club website, customers will be able to interact with ChatGPT conversationally in the search bar. “For many years now, eCommerce shopping experiences hav ...