Samsung Electronics is developing an 8-layer HBM4E memory stack for NVIDIA (NVDA.O), reducing planned stack height from 12–16 layers. NVIDIA’s speed target is 17–18Gbps, roughly 20% above Samsung’s early 14.4Gbps HBM4E samples. The modules are reported to be destined for NVIDIA’s NVHBM products.

A NATO official said on Sunday Russia is escalating hybrid operations in Europe and intensifying attacks on Ukraine, but NATO currently assesses there is no imminent threat of an attack. The official said NATO remains vigilant and will continue to support Ukraine. Polish Prime Minister Tusk said on Saturday Poland and NATO must prepare for all contingencies and cannot rule out Russian provocations against NATO members.

China A-share glass-substrate stocks opened lower then rebounded; Weihong Co. rose over 6 pct, Dongwei Technology and Lante Optics climbed more than 5 pct, while Tiancheng Technology, Dazhu CNC, Tongxingda, Xinruida and Longli Technology also advanced.