South Korea's KOSPI extended losses into the close, plunging 11% intraday and slipping below 6,000 for the first time since April 14, off more than 30% from its June peak. SK Hynix slid over 14% and Samsung Electronics fell about 13%.

cenc measured a magnitude 5.3 earthquake at 13:36 on July 28 in Iceland (64.60°N, 17.45°W); focal depth 10 km.

Financial Times reports NVIDIA has agreed to invest about $5bln in Safe Superintelligence, an AI startup led by OpenAI co‑founder Ilya Sutskever, and will provide its latest Vera Rubin hardware as part of a "long-term partnership." The companies announced the deal on Monday; people familiar said the $5bln commitment is typically milestone-dependent. Both parties declined to disclose financial terms, calling the investment "substantial." Safe Superintelligence said the funding will help it build the compute to exploit a research breakthrough it claims and increase available compute tenfold within 12 months.