Micron Technology, Inc. (MU) vs Walmart Inc. (WMT)

Micron Technology is one of the world’s largest semiconductor companies, focused on memory and storage chips. Its main source of revenue comes from dynamic random access memory (DRAM), while it also maintains smaller exposure to NAND flash memory. Micron serves a global customer base, supplying chips for data centers, mobile devices, consumer electronics, as well as industrial and automotive applications. The company operates as a vertically integrated business.

Founded in 1962, Walmart Inc. has grown into the world’s largest retailer, operating more than 10,700 stores worldwide, including about 4,600 Walmart locations in the United States and roughly 600 Sam’s Club warehouses, while continuing to expand its e-commerce business. The company serves around 270 million customers each week and generated over $680 billion in fiscal 2025 revenue. Walmart’s operations are organized into three reporting segments: Walmart U.S., which accounted for 68% of fiscal 2025 sales, Walmart International at 18%, and Sam’s Club at 14%. In the U.S., nearly 60% of Walmart’s $465 billion in fiscal 2025 revenue came from grocery sales, with about one-quarter generated by general merchandise. Internationally, the company’s business is primarily concentrated in Mexico, with additional emerging exposure to India.