Five small-cap semiconductor stocks show strong momentum amid AI rally and market optimism.

Despite high oil prices and geopolitical tensions, the market is focusing on the AI-driven rally, with AI giants like Google and NVIDIA gaining over 10% recently. This article highlights five under-the-radar small-cap semiconductor stocks—AXT Inc., Ichor Holdings Ltd., ChipMOS Technologies Inc., Silicon Motion Technologies Corp., and Veeco Instruments Inc.—all showing strong momentum and significant gains in early 2026. These companies benefit from growing AI demand and semiconductor industry tailwinds, with improving fundamentals and technical indicators suggesting potential further upside. Investors are advised to watch for momentum signals and consider gradual entries due to some stocks nearing overbought levels.