October 15, 2026
Stories from this day
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Economy · 3 min readWhy the KOSPI crashed 7.57% on October 15, 2026 — hot US inflation, AI debt fears and Chinese memory hit at once
Close — KOSPI 5,554.22 (-7.57%), KOSDAQ 760.82 (-7.65%); Level 1 circuit breaker and sidecars in both markets
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Economy · 2 min readCoreWeave bonds near 15% yield — AI cloud debt priced like distress as stock drops 15% in a day
Bonds — 2031/2032 notes yielding 14.5-15%; 2032s below 80 cents on the dollar
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Tech · 2 min readAnthropic Q3 revenue $16.8 billion — up 45% in three months, and markets still read it as a slowdown
Revenue — Q3 $16.8B, up ~45% from $11.5-11.6B in Q2; Q1 was $4.8B
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Tech · 2 min readAnthropic warns small AI models could self-replicate by year-end — a 26B model ran on fifteen $55 TV boxes
Warning — sub-30B models could spread across cheap IoT devices by around year-end 2026
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Tech · 2 min readGemini 4 Argon launched — an 11-hour overnight coding run, and $2 per million tokens until November 30
Launch — October 13, 2026; API, AI Studio, Gemini app (Pro/Ultra), AI Mode in Search, Antigravity
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Tech · 2 min readTSMC Q3 2026 net income NT$763 billion — a sixth straight record, and 2nm is already 8% of sales
Results — net income NT$763.06B (+68.7%), revenue US$46.72B (+41.2%), above guidance
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Tech · 2 min readWhat is a distillation attack? Copying an AI by mining its answers — Anthropic says it cut the haul 90-99%
Definition — mining a rival model's outputs via API to train a copy; same technique as distillation, without permission
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Tech · 2 min readApple v. OpenAI trade secret lawsuit — OpenAI agrees not to use the data and will image 14 employees' devices
Origin — Apple sued OpenAI, io Products and two ex-employees in July 2026 for trade-secret theft
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Tech · 2 min readWhat is co-packaged optics (CPO)? Linking chips with light — half the power, a tenth of the latency
Definition — optical engine in the same package as the chip, replacing pluggable transceivers and the copper in between
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Tech · 2 min readWhat is a semiconductor foundry? $46.7 billion a quarter without a chip of its own — vs fabless and IDM
Definition — contract manufacturing of chips designed by others; no own-brand chips