Top Small-Cap Stocks to Watch

MTSI — MACOM Technology Solutions

MACOM Technology Solutions is benefiting from accelerating demand for high-speed connectivity across AI data centers and cloud infrastructure. Its portfolio spans RF, analog, optical and semiconductor solutions, giving the company exposure to the transition toward faster 800G, 1.6T and emerging 3.2T optical networks. Recent product launches strengthen its positioning as hyperscalers expand AI computing capacity. Revenue and earnings growth remain strong, supported by improving scale and favorable product mix. While semiconductor demand can remain cyclical, MACOM’s increasing exposure to optical connectivity and AI infrastructure provides a structural growth driver beyond the traditional communications market.

ATI — ATI Inc.

ATI is a leading producer of specialty materials, including titanium and nickel-based superalloys used extensively in aerospace, defense and high-performance industrial applications. The company continues to benefit from rising commercial aircraft production, stronger defense spending and persistent demand for advanced engine materials. Aerospace and defense now represent the majority of ATI’s revenue, improving visibility through long-term customer programs and a growing order backlog. Management has also raised earnings and cash-flow expectations as pricing, utilization and product mix improve. Capacity expansion remains important, but the combination of strong demand, high entry barriers and specialized metallurgical expertise supports ATI’s long-term earnings growth.

CACI — CACI International

CACI International provides technology and mission-support solutions to U.S. defense, intelligence and national-security agencies, with capabilities spanning cyber operations, electronic warfare, communications and counter-drone systems. Recent large contract awards have further expanded an already substantial backlog, supporting multi-year revenue visibility. Demand remains underpinned by modernization of military IT systems, growing cybersecurity requirements and increased investment in intelligence and autonomous-defense technologies. CACI’s business model also benefits from relatively high switching costs and deep customer relationships across government agencies. Continued contract wins, solid cash generation and expanding exposure to higher-value technology programs should support steady earnings growth despite normal government-budget and procurement risks.

IESC — IES Holdings

IES Holdings provides electrical, communications and infrastructure services across data centers, industrial facilities, residential construction and other specialized markets. The company has become an increasingly important beneficiary of the AI infrastructure cycle as hyperscalers and technology companies build power-intensive data centers requiring extensive electrical and communications installations. Revenue growth has accelerated alongside a sharp increase in backlog, reflecting strong demand from data centers and advanced manufacturing projects. IES also generates positive free cash flow and maintains exposure to several end markets beyond AI. Execution and labor availability remain key risks, but strong order visibility and infrastructure spending provide a favorable fundamental backdrop.

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