Why Broadcom (AVGO) Is Down 6.2% After Expanding Its AI Networking and Optics Platform – And What’s Next

• In March 2026, Broadcom announced a suite of AI-focused networking and optical products, including its 3nm Taurus 400G/lane optical DSP and Tomahawk 6 switches, while also joining new industry groups such as the 400G Optical MSA and OCI MSA to define next‑generation, interoperable optical interfaces for large‑scale AI data centers.
• These launches and alliances show Broadcom moving beyond individual chips toward an integrated AI infrastructure stack, spanning compute, networking, optics, and even liquid cooling, which could reinforce its role at the center of hyperscaler AI build‑outs.
• Now we’ll examine how Broadcom’s 400G Taurus platform and optical MSAs might reshape its AI‑driven investment narrative amid recent share weakness.

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Broadcom Investment Narrative Recap

To own Broadcom today, you have to believe its AI infrastructure stack custom XPUs, high speed Ethernet, optics and VMware…