Marvell Technology Stock (MRVL) After Hours Today (Dec. 17, 2025): Moody’s Upgrade, AI Selloff, and What to Watch Before the Market Opens Dec. 18
Marvell Technology, Inc. (NASDAQ: MRVL) ended Wednesday’s session sharply lower and then steadied in after-hours trading, as investors weighed a broad “AI funding jitters” pullback across big tech and semiconductors against a notable piece of company-specific good news: Moody’s upgraded