Why Arm Holdings (ARM) fell 8.55%
Arm Holdings (ARM) fell 8.55% on July 28, 2026 — China roadblocks hit chip stocks across board.
What happened
SanDisk and other chip firms hit by China export restrictions, triggering broad chip supply chain weakness.
Why it moved
ARM's licensing revenue and royalties are directly exposed to SanDisk-like customers' export slowdown and policy uncertainty.
Why it matters
Across the chip supply chain, infrastructure-layer players like ARM face repricing as China export barriers tighten.
What would break the thesis
If China restrictions prove narrower than feared for ARM's actual customer base, the sell-off may reverse.