Monopoly Shattered: Breakthrough by China’s CXMT Triggers 10% Plunge in SK Hynix

Geopolitical pricing dynamics across semiconductor memory have suffered a severe disruption. On October 13, 2026, Asian equity exchanges were rocked by aggressive institutional selling: reports confirming rapid technological advancements by Chinese domestic DRAM fabricator CXMT (ChangXin Memory Technologies) triggered a historic rout across South Korean memory leaders. SK Hynix equities collapsed 10.1%, Samsung Electronics sank 7.4%, and the benchmark Kospi index shed 5.5%.

The market retreat was accelerated by data verifying CXMT’s yield maturity in server DRAM and sovereign HBM architectures engineered for domestic Chinese AI clusters. Institutional allocators recognize that US trade restrictions have failed to suppress Beijing’s memory capabilities. The emergence of a self-sufficient Chinese memory supply line threatens to eradicate the supernormal margins of Korean suppliers, heralding an aggressive pricing confrontation that will reshape semiconductor capital flows.

Source: Associated Press / Reuters