Japan's finance minister Katayama said she has not seen, as of now, a need to take measures beyond existing budgetary reserves following the Kumamoto earthquake.

Rio Tinto (RIO.N) CEO says he is closely watching the results of a copper tariff review.

Digitimes analyst Derek Huang says ongoing aftershocks leave the timeline for full capacity restoration at TSMC’s Japan fab uncertain. He notes direct financial loss to TSMC may be minimal, but extended re‑qualification of specialty process equipment could cause greater supply‑chain disruption. TSMC said all staff were evacuated after Tuesday’s strong quake and structural inspections found the building safe, but equipment checks and calibration will take time given the quake’s severity.