AMD and Micron surge, Lam Research climbs 17% as chip stocks rip higher - CNBC

Chip stocks surged on Thursday following strong earnings from Microsoft and Lam Research, igniting a broad rally in the semiconductor sector. Lam Research shares rose 18%, marking their best day since... Read original →

The AI boom has triggered a broad semiconductor rally, with upstream equipment vendors like Lam Research leading the charge, posting their best day since 1999. This surge reflects strong demand for advanced manufacturing tools driven by AI training and inference workloads. Downstream memory chipmakers such as Micron and SanDisk saw significant gains, amid Samsung’s warning of prolonged supply shortages through 2028. Microsoft’s 15% rise underscores the growing importance of cloud infrastructure, particularly Azure, in supporting AI expansion. Arm Holdings rose 7% due to increased demand for AGI-capable CPUs, signaling a shift toward more autonomous computing architectures. This market movement confirms sustained investor confidence in long-term AI infrastructure growth. While short-term capital spending may moderate, the sector remains in an expansionary phase. Core players like AMD, Intel, and NVIDIA are expected to intensify investments in AI chips and system-level innovations to maintain competitive edge. Over the next 12 to 24 months, the semiconductor value chain will undergo structural upgrades, with equipment, materials, and design segments all benefiting from rising AI compute demands.