CXMT's chip density breakthrough claim triggers global memory stock selloff
Chinese memory chipmaker ChangXin Memory Technologies (CXMT) said over the weekend it had advanced new chip architecture that increases memory density, prompting sharp declines in global memory stocks. Micron fell 3.7% in premarket trading, SK Hynix closed 10% lower in Seoul, and Samsung Electronics dropped 7.4%, with SanDisk, Seagate and Western Digital also declining. CXMT, which went public on Shanghai's STAR Market in July with a 466% debut surge, reportedly plans to launch a server-memory product based on the new architecture by the end of 2026.