"Earnings Reports Drive US Stock Market Lower: Nvidia, Home Depot, Walmart, and Crypto News"

Stocks open mostly lower as investors focus on upcoming earnings reports from Nvidia and Walmart, with Nvidia's market cap on track for a record decline ahead of its earnings release, while Walmart's fourth-quarter earnings beat expectations and the retailer announced plans to acquire Vizio and raise its dividend. The market also awaits the latest Fed meeting minutes for insights into the outlook for inflation and interest rates.