Himax, Western Digital, and onsemi Shares Skyrocket, What You Need To Know - Yahoo Finance

On July 6, 2026, the semiconductor sector experienced a notable recovery, with stocks of companies such as Himax, Western Digital, and ON Semiconductor surging. This rally was driven by a combination ... Read original →

This semiconductor rally reflects hard demand from AI infrastructure, not just sentiment. Himax’s ASICs, onsemi’s power ICs, and Western Digital’s storage modules are now integral to global AI server supply chains, triggering a tech cascade: DDR5 and HBM3e capacity battles have raised capital expenditure barriers across the DRAM ecosystem. While U.S.-EU export controls haven’t directly targeted these firms, rising compliance costs are squeezing smaller players’ margins, reinforcing the oligopoly of Samsung, SK Hynix, and Micron. With Broadcom locking in Apple’s custom silicon orders, Taiwanese and Korean rivals may accelerate chiplet-based heterogeneous integration to bypass advanced-node restrictions. Over the next 12–24 months, the memory super-cycle will tightly couple with AI cluster expansion—but if OPEC+ output cuts reverse and global inflation rebounds, high-beta names like Himax could face sharp valuation corrections. Bit-volume growth, not stock momentum, should guide investment decisions.