August 26, 2026
Stories from this day
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Economy · 3 min readKOSPI closes at 6,742.74 on August 25, 2026 — after a 4.3% intraday drop
Index — KOSPI 6,742.74 (+45.78 points, +0.68%). Intraday low was 6,408.82, or -4.30%
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Economy · 3 min readS&P 500 closes at 7,677.28 on August 25, 2026 — all three indexes rise
Indexes — S&P 500 7,677.28 (+0.32%), Nasdaq 26,151.30 (+0.66%), Dow 53,577.40 (+160.24 points)
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Tech · 3 min readNvidia reports on August 26, 2026 — the bar is $92 billion
Timing — 4:20pm ET release and 5:00pm call on August 26, which is the morning of August 27 in Seoul
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Economy · 3 min readCanada's $20bn retaliatory tariffs (August 25, 2026) — 15, 25 and 50 percent
Size — about $20bn of US goods, matched dollar for dollar against the US 50 percent duties
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World · 3 min readTanker struck off Oman (August 25, 2026) — hours after new Iran sanctions
Where and when — nine nautical miles NE of Ash Shishah, Oman, at 20:57 UTC on August 24
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Issues · 3 min readKorea's justice minister leaves office (August 24, 2026) — a deputy will open the new prosecution service
Exit — letter submitted August 18, approved August 24. Cited health and completed reform legislation
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Economy · 4 min readWhat an analyst consensus is — why 40 forecasts set the share price
Definition — the average of analysts' forecasts. Distinct from guidance, which the company issues itself
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Sports · 3 min readWhat the KBO expanded roster is — and why it moved from September 1 to August 25
Date — from 2026 the window opens August 25, not September 1. A week earlier than before
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Tech · 4 min readWhat an AI agent is — what changes when you hand a model tools
Definition — software that takes a goal, picks tools, reads results and decides its own next step
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Tech · 4 min readWhat fine-tuning is — and what prompting and RAG handle instead
Definition — continued training of an already-trained model on task data, changing its weights