5 Best Performing AI Stocks Over the Last 3 Years

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1. Celestica Inc. (NYSE:CLS)

Celestica Inc. (NYSE:CLS) is one of the best performing AI stocks over the last 3 years, with a 3Y CAGR of 185%. In early June, RBC Capital analyst Paul Treiber maintained an Outperform rating and a $440 price target. Treiber cited stronger 2026 and 2027 outlooks, while noting that component shortages had limited first-quarter upside.

In another important development, on July 6, the company appointed Steven Dorwart president of Connectivity and Cloud Solutions, succeeding Jason Phillips, who will remain an adviser through year-end. A 21-year veteran, Dorwart previously ran global accounts within the segment. Connectivity and Cloud Solutions houses much of Celestica’s data-center networking, compute and storage activity, including high-speed Ethernet platforms and rack-level systems. The leadership handoff matters because the segment is managing rapid product transitions and customer programs that require timely engineering execution. Dorwart’s customer background may support continuity, but the operating bar is high. Investors will need to assess whether the division can sustain growth while managing concentration, component supply, and the shift toward 1.6-terabit networking.

Celestica Inc. (NYSE:CLS) provides design, engineering, manufacturing, supply chain, and platform solutions, including networking, compute, storage, rack integration, and power and thermal systems for AI, cloud, and hybrid-cloud infrastructure.

While we acknowledge the potential of CLS to grow, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than CLS and that has 100x upside potential, check out our report about the cheapest AI stock.

READ NEXT: 30 Stocks That Should Double in 3 Years and 11 Hidden AI Stocks to Buy Right Now.

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