Marvell Technology (MRVL) Stock Tumbles on Amazon and Microsoft Fears as AI Growth Story Gets Re‑Priced
Updated: December 8, 2025 Marvell Technology, Inc. (NASDAQ: MRVL) just got a harsh reminder that being an “AI infrastructure winner” doesn’t make you invincible. On Monday, December 8, Marvell stock fell sharply after a high‑profile analyst downgrade tied to possible custom‑chip design losses at Amazon Web Services and fresh worries that Microsoft may shift some custom silicon work to Broadcom. Intraday, MRVL dropped more than 10% before recovering part of the loss, trading in a roughly $88.9–$92.6 range — about 7% below Friday’s close of $98.91.StockAnalysis+2Investing.com+2 Paradoxically, on the very same day, Zacks upgraded Marvell to its top “Strong Buy”