TSMC suppliers also surged on the news, buoyed in part also by Micron’s bullish forecast. Screen Holdings climbed 6%, Tokyo Electron rose 4.7% and ASM International jumped as much as 5.4% on Thursday. TSMC’s own share price was up 2.6% on the day. Relied on by everyone from Apple and Qualcomm ( QCOM) - Get Report to Nvidia and Advanced Micro Devices ( AMD) - Get Report, TSMC is the world’s go-to semiconductor foundry, or producer of chips designed by others. The silicon it churns out goes into practically every modern piece of electronics, from smartphones and smart fridges to connected cars. In a letter to customers obtained by Bloomberg, TSMC CEO C.C. Wei said the company’s fabs have been “running at over 100% utilization over the past 12 months,” but demand still outpaced supply.