Asia's chip stocks are beating Nvidia because the real AI bottleneck was never the GPU
High Bandwidth Memory has emerged as the defining bottleneck in AI infrastructure, and South Korean and Taiwanese chip suppliers are capitalizing. SK Hynix crossed a trillion-dollar market cap this year, the KOSPI has roughly doubled, and the entire global HBM supply for 2026 is already sold out. The rally may be real, but so is the crowding risk.