SK hynix Inc. (000660.KS) vs Berkshire Hathaway Inc. (BRK-B)

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.

Berkshire Hathaway Inc. is a publicly traded diversified holding company with major businesses and investments across insurance, freight rail, energy, manufacturing, retail, and financial assets. Its shares give investors exposure to the operating performance of its subsidiaries as well as the value of its large public-equity portfolio. The company's performance is influenced by insurance underwriting results, investment returns, economic activity, interest rates, capital allocation, and broader market conditions.