1/3 🧵 $CXMT, China's DRAM breakthrough is shaking global memory stocks. Micron ($MU) fell as much as 5.7% on Tuesday, following a 3.9% decline on Monday. The selloff extended to South Korea: • SK hynix ($SKHY): -10.1% • Samsung Electronics: -7.4% The catalyst: China's ChangXin Memory Technologies ( $CXMT) announced progress on its next-generation 4F² DRAM architecture, designed to increase memory density and potentially reduce production costs. CXMT plans to introduce DDR5 RDIMM server memory based on the technology by the end of 2026. The market's concern goes beyond one product launch: Could China's advancing memory technology eventually challenge the pricing power of the global DRAM leaders?