AI Power-Chip Demand Sends Vicor Revenue Up 78.5%

Vicor reported that Q3 2026 revenue climbed 78.5% year over year as demand for its power delivery modules, used in AI data center hardware, accelerated. TSMC separately posted what analysts described as strong Q3 results driven by AI demand, reinforcing that the AI buildout is lifting suppliers well beyond the chipmakers that design AI accelerators themselves. The pattern matters because it shows AI capital spending flowing into less-visible parts of the supply chain, power delivery and foundry capacity rather than just GPU vendors. That broadens the list of companies whose results investors are watching for signs of AI demand strength or weakness. Not every signal points the same way. One analysis flagged SK hynix, the memory chipmaker, as facing potential cracks in its outlook that the piece characterized as 'a next-year problem,' suggesting some AI-linked suppliers may see the current strength fade before others do.