3 Ridiculously Cheap AI Stocks That Could Turn $5,000 Into at Least $10,000 by 2028

The Motley Fool highlights three AI-related stocks — Alphabet, Silicon Motion Technology and Marvell Technology — as cheap, high-upside plays that could meaningfully outperform by 2028. Alphabet (GOOG.OQ) is the lead pick, driven by strong Google Cloud AI demand (Cloud up 63% YoY) and Google Services growth (ads +16% YoY), with Gemini showing rapid sequential usage gains. Silicon Motion (SIMO) is a memory-controller play benefiting from AI-driven NAND demand (Q1: 23% sequential, 105% YoY; YTD rally >170%) and bullish Q2 guidance (up to 107% YoY). Marvell (MRVL.OQ) supplies optical and ASIC solutions for data centers and reported record fiscal Q4 revenue of $2.22B (+22% YoY) with FY27 Q1 guidance of ~$2.4B. Overall the piece is bullish on AI-driven revenue acceleration across software, memory controllers and data-center interconnects, implying significant upside for the named stocks.