Marvell’s stock is already down almost 50% this year. Here’s why it was just downgraded. - MarketWatch

1. MRVL's stock down 45% in 2025; analysts express concerns. 2. Melius downgraded MRVL to a hold, fearing underperformance versus peers. 3. Rising AI demand boosts Marvell's optics business, accounting for 20% of sales. 4. Concerns over Amazon's Trainium chips and potential content losses from Alchip. 5. Analysts predict limited revenue growth, maintaining a $66 price target.