Why SK Hynix (SKHX) fell 8.18%
SK Hynix (SKHX) fell 8.18% on August 6, 2026 — AI Memory selloff pulls Asian tech lower.
What happened
SK Hynix plunged 10% as Wall Street AI stocks sold off and the de-risking cascaded into Asian tech; the move was a pure sympathy decline following U.S. equity weakness.
Why it moved
SK Hynix dominates HBM supply for AI servers and carries heavy leverage to U.S. AI capital intensity; when Wall Street sentiment turns, foreign institutional flows reverse and Seoul follows immediately.
Why it matters
The Korea Tech thesis rests on HBM's near-monopoly in next-gen AI servers, but a three-month selloff now reflects oversupply and margin-compression fears as new capacity ramps; SK Hynix is the canary in that coalmine.
What would break the thesis
A stabilization or rebound in U.S. semiconductor stocks would likely reverse the Seoul selloff; watch for any hints of demand disappointment from hyperscaler earnings or capex cuts.