SK Hynix hits $1T valuation - MSN

SK Hynix's stock surged by as much as 11% on Wednesday, pushing its market valuation beyond $1 trillion, driven by investor enthusiasm for AI infrastructure stocks. The South Korean chipmaker has been... Read original →

SK Hynix surpassing a $1T valuation signals a strategic pivot in AI infrastructure investment—from compute-centric chips to bandwidth-constrained memory. Technically, mass production of HBM3E/HBM4 has become the linchpin for AI accelerator scaling, directly fueling demand for advanced TSV packaging, EDA tools, and CoWoS integration. Geopolitically, U.S.-ROK export control alignment is inflating compliance costs for customers in Taiwan, China and mainland China, especially as 12+ layer HBM stacking faces potential restrictions. Samsung will likely counter with accelerated GDDR7 development, while Micron leverages CHIPS Act subsidies to build U.S.-based HBM capacity, reducing reliance on Asian supply chains. Over the next 18 months, persistent HBM shortages will sustain pricing power—but CoWoS capacity ramp-up or commercial CPO adoption could rapidly upend current valuation models.