Kevin Carter / Getty Images Walmart shares rose after the retailer said it is partnering with OpenAI to allow customers to buy goods through ChatGPT. Key Takeaways The major U.S. equities indexes rebounded Tuesday afternoon from earlier losses amid lingering worries about U.S.-China trade tensions. Intel shares slumped after a downgrade by Bank of America analysts. Walmart shares rose after the retailer announced a partnership with ChatGPT maker OpenAI. The major U.S. equities indexes rebounded Tu ...