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PDD Holdings operates commerce businesses globally. Its main operations are Pinduoduo, a social commerce platform in China, and Temu, a global e-commerce marketplace. PDD also has a community group purchase business in China. PDD has built a network of sourcing, logistics, and fulfillment capabilities that support its underlying businesses. PDD has also started its first-party brand business for global markets.

Since its founding in 1962, Walmart has become the world's largest retailer, operating over 10,700 stores globally (including 4,600 namesake locations on its home turf and another 600 Sam's Club outlets) and growing its e-commerce presence, attracting 270 million customers weekly. In aggregate, the firm posted more than $713 billion in fiscal 2026 sales. Its core operations span three reporting segments: Walmart US (68% of fiscal 2026 sales), Walmart International (19%), and Sam's Club (13%).Within the US, nearly 60% of its $486 billion in fiscal 2026 revenue came from its grocery offerings, with another quarter from general merchandise. Internationally, Walmart's operations are concentrated in Mexico, though it also has budding exposure to India.