SK hynix Inc. (000660.KS) vs Costco Wholesale Corporation (COST)

SK hynix Inc. is a South Korean semiconductor company and one of the world’s largest producers of memory chips. Its core products include DRAM and NAND flash memory used in data centers, personal computers, smartphones, servers, and artificial intelligence infrastructure. The company plays an important role in the global supply chain for advanced computing, with demand tied closely to cloud services, enterprise hardware, mobile devices, and high-performance AI systems.

Founded in 1983, Costco Wholesale Corp operates a global network of membership-only warehouse clubs focused on offering high-quality products and services at consistently low prices. In its latest fiscal year, the company ran approximately 910 warehouses and served more than 80 million members across three geographic segments: Costco U.S., which generated about 73% of total revenue, Costco Canada at 13%, and Costco International at 14%. Costco’s core value proposition—quality merchandise at highly competitive prices—has supported strong membership renewal rates, reaching 93% in the U.S. and Canada and nearly 90% internationally. Roughly 55% of fiscal 2025 revenue came from grocery sales, while general merchandise contributed another 25%.