IndexDate · Title · Reading time
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El Niño 2026 tracks record 1997 event, NASA sea-level maps show
Warm water is again reaching South America, as in 1997. Here is how 2026 compares with 1997-98 and 2015-16 on NOAA's indices, and what strong El Niño years have brought region by region.
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IHSG naik 0,95% ke 5.439, semua sektor menguat (23 Okt)
IHSG mencatat penguatan keempat beruntun dan memimpin bursa Asia, ditopang saham konsumen, industri, dan energi. Investor asing masih melepas saham dan rupiah melemah akibat kekhawatiran pasokan energi.
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Indonesia IHSG up 0.95% to 5,439: all sectors gain (Oct 23)
Jakarta's index posted a fourth straight gain and led Asia, as consumer, industrial and energy stocks rose. Foreign investors kept selling and the rupiah weakened on energy-supply worries.
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China & Hong Kong rebound, CSI 300 +1.71%: ETF volume surge (Oct 23)
Mainland stocks staged an afternoon reversal as volumes jumped in ETFs linked to state-backed funds, while Hong Kong tech shares recovered part of Thursday's rout. The closing numbers, the drivers and the dates ahead.
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日経平均は0.34%安の62,693円、AI株売りは後場に一服（10月23日）
メタとテスラの決算でAI投資への懸念が再燃し、日経平均は一時1,445円安まで下落した後、0.34%安で取引を終えました。TOPIXは0.79%下落し、10年物国債利回りは2.795%に低下しました。
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South Korea KOSPI falls 2.08% for week: AI chip doubts (Oct 23)
Seoul's main index moved more than 3% in three of five sessions as AI spending worries and foreign selling hit chipmakers, while the Bank of Korea held rates at 3.00%. SK hynix's Solidigm decision helped Friday's late rebound.
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Japan Nikkei dips 0.34% to 62,693: AI selloff eases late (Oct 23)
Tokyo's Nikkei 225 slid as much as 1,445 points after Meta and Tesla results revived AI spending worries, then recovered to close 0.34% lower. The TOPIX fell 0.79% and the 10-year JGB yield dropped to 2.795%.
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Greece passes social media ban for under-15s from January 2027
Platforms such as Facebook, Instagram and TikTok, not parents, must verify ages, and parental consent cannot override the limit. Only New Democracy voted in favour after more than 16 hours of debate.
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How to Evaluate an LLM App in Python: Test Sets, Graders, CI
Start with about 30 real inputs, score them with code checks and a calibrated LLM judge, and rerun the suite on every change. OpenAI's hosted Evals platform goes read-only on Oct. 31, 2026, so a portable suite matters.
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Credit Default Swap Explained: How to Read a CDS Spread
One basis point is 0.01%, and at 115 bps with a 40% recovery assumption the implied default probability is about 1.9% a year. This guide also covers how ISDA committees and auctions decide payouts.
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How oil price shocks hit inflation and rates as Brent tops $113
Brent's jump to a five-month high has revived talk of rate hikes. Here is how an oil shock moves through fuel prices, wages and core inflation, what research says about its size, and why central banks sometimes wait.
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How does an IPO work? S-1, roadshow, pricing and the first trade
The IPO price is fixed the night before listing, but the opening price comes from buy and sell orders the next morning. Figma's 2025 IPO shows each step, and EDGAR shows what Anthropic and OpenAI have and have not filed.
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How to Backtest a Crypto Trading Strategy in Python with CCXT
A step-by-step Python guide to fetching Bitcoin candles with CCXT, coding a moving-average crossover in pandas without look-ahead bias, charging fees and slippage, and measuring return, drawdown and win rate, plus why a backtest is not a forecast.
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Crypto investment scams: FBI logs $7.2 billion in 2025 losses
The scams follow a set script: a friendly contact, a fake trading platform showing fake profits, then demands for fees before any withdrawal. Here are the red flags, who runs the scam centres, and how US authorities are responding.
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MIT AI agents on a simulated island invented games, study says
The agents, all named Eko, climbed peaks, built towers and invented a "floor is lava" challenge. Experienced agents placed an average of 10.3 objects on the spire against 3.5 for fresh copies, though the study is not peer-reviewed.
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Xbox Cloud Playtime prices: 10 hours for $3.99 without Game Pass
Microsoft is testing prepaid cloud streaming hours with Xbox Insiders ahead of a November rollout, as Game Pass plans move to monthly cloud caps of 5 to 15 hours.
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How to reduce LLM API costs: caching, batching and model routing
Log input, cached, output and thinking tokens first, then apply four techniques in Python. Cache reads cost 0.1x the normal input price or less at OpenAI and Anthropic, and batch APIs charge 50% of standard prices.
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Lockheed Martin Q3 2026 results: record $292bn backlog
Missiles and Fire Control sales and operating profit both rose 24% as PAC-3, THAAD, GMLRS and PrSM production ramped up. Free cash flow fell to $2,999 million, but the 2026 outlook was raised to about $7.8–8.0 billion.
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Nvidia stock correction: shares 11.3% below Oct. 6 record
The shares dropped 4.4% on October 22 and slipped below their 50-day average of 222.77, though they remain above the 200-day line at 203.56. AP and Reuters tied the selloff to doubts about returns on AI investment.
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Trump World Liberty lawsuit cites $500M UAE stake, $2B USD1 deal
The derivative suit targets a reported $500 million purchase of a 49% stake in World Liberty and a $2 billion Binance investment settled in USD1. The White House called it frivolous, and no court has ruled.
