Better Artificial Intelligence Stock for 2026: Astera Labs vs. Marvell Technology

The article compares two semiconductor companies powering AI data centers: Astera Labs, a high-speed connectivity specialist with 115% revenue growth but high customer concentration (70% from one customer), and Marvell Technology, a broader semiconductor provider with 42% growth, lower valuation multiples, and confidence in reaching $70-90 billion in revenue by 2031. The author recommends Marvell due to its more attractive valuation, diversified product portfolio, and long-term growth visibility despite both companies facing customer concentration and geopolitical risks.