Broadcom shares rose 3.5% after the chipmaker issued revenue guidance for its AI chip business of $21.7 billion, a figure that exceeded analyst expectations and reinforced the company's position as a principal supplier of custom accelerators to large cloud operators.

The guidance marks the latest data point in a rapid acceleration of Broadcom's artificial intelligence franchise. The company has built its AI business around application-specific integrated circuits (ASICs) designed for hyperscale customers, including Google, Meta and other major cloud providers that are developing their own silicon rather than relying solely on merchant GPUs.

The $21.7 billion forecast covers Broadcom's AI semiconductor revenue, the segment that has become the primary growth engine for the company as demand for networking and custom compute chips used in AI data centers continues to expand. The figure signals that capital spending on AI infrastructure by hyperscalers remains robust, even as investors debate the durability of the sector's buildout.

The 3.5% stock move reflects the market's reassessment of Broadcom's growth trajectory following the release of the outlook. Shares of AI infrastructure suppliers have traded with heightened sensitivity to guidance updates over recent quarters, as investors weigh evidence of sustained hyperscaler spending against concerns about eventual saturation of AI compute demand.

Broadcom's AI chip business has scaled from a comparatively modest base to a multi-billion-dollar operation in under three years, driven by design wins for custom training and inference processors. The company also supplies networking components, including Ethernet switching and interconnect silicon, that rank among the standard building blocks of AI cluster deployments.

The guidance lands amid a competitive landscape in which cloud providers continue to split procurement between merchant accelerators from suppliers such as Nvidia and internally developed ASICs produced through partners including Broadcom and Marvell. The $21.7 billion outlook provides the clearest indication yet of the scale Broadcom expects from its custom silicon relationships over the coming period.

Investors will watch subsequent quarterly reports for confirmation that the pipeline of custom chip programs continues to widen, and for any commentary on the concentration of revenue among Broadcom's largest customers.