Korea Chip Stocks Fall 7.57% as Investors Price the Gap Between AI Demand and Financing Capacity

shashib · x · 2026-10-18

South Korea's chip-heavy Kospi fell 7.57% in a single session last week — its seventh straight decline — with Samsung and SK Hynix each dropping around 10% at the lows before a modest Friday rebound.

Core argument: the selloff doesn't require an AI demand collapse. Hyperscalers and frontier labs keep ordering advanced memory and accelerators; HBM remains constrained; training and inference workloads keep growing.
The real variable is financing capacity: higher rates raise the cost of capital for multi-year datacenter projects, and bonds of highly leveraged AI infrastructure providers have traded into distressed territory.
Broadcom CEO Hock Tan said on October 12 that capital itself is now the binding constraint ahead — not wafers or memory supply.
Structural risk: Korea's memory giants sit at the intersection of strong order books and extreme concentration plus sensitivity to global funding conditions. The piece also references the IMF's three AI scenarios modeled this week.

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Korea Chip Stocks Fall 7.57% as Investors Price the Gap Between AI Demand and Financing Capacity

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