Why Arm Holdings (ARM) fell 7.16%
Arm Holdings (ARM) fell 7.16% on July 29, 2026 — China roadblocks hit chip supply chain.
What happened
SanDisk and other chip stocks have hit China export roadblocks, triggering a broad semiconductor sector selloff that pulls ARM down with the supply chain.
Why it moved
ARM licenses its designs to chipmakers who depend on China for assembly and sales; export restrictions and demand uncertainty in China ripple upstream to design firms, cutting visibility on royalty streams.
Why it matters
The Chip Supply Chain thesis is fracturing—geopolitical friction on China is now the dominant risk overshadowing AI tailwinds, and ARM is caught in the sector-wide repricing.
What would break the thesis
If China export restrictions ease or chipmakers announce alternative supply routes and demand stabilizes, ARM can recover as the long-term AI licensing upside reasserts.