October 13, 2026
A rough night in Asia while America slept: the region's chip-heavy markets took the hardest hit, oil stayed uncomfortably high, and traders braced for the first big test of U.S. earnings season later Tuesday.
If you went to bed in the United States on Monday night feeling reasonably calm about markets, Asia woke up to a very different mood. Stocks across the region fell sharply in early trading on Tuesday, October 13, with technology shares leading the slide, oil holding near levels that keep inflation worries alive, and the dollar sitting close to an 18-month high. Reuters reported that MSCI's broadest index of Asia-Pacific shares outside Japan was down 2% early in the session, while South Korea's Kospi — one of the most tech-heavy major indexes in the world — slid 6%. Japan's Nikkei sank 2.6% as trading resumed after a holiday there.
The Chip Selloff Crossed the Pacific
The numbers tell the story of where investors are most nervous. A 2% fall for a broad regional index is a bad morning. A 6% slide in South Korea is something else — and it makes sense once you remember what the Kospi actually holds. Korean markets are loaded with semiconductor and technology names, so when chip stocks wobble in the United States, Seoul tends to feel it first and hardest. Japan's Nikkei, down 2.6% on its first session back after a holiday, had a day of bad news to catch up on all at once.
Overnight on Wall Street, Reuters reported, the Nasdaq fell 0.5%, dragged lower by chipmakers as investors questioned whether the AI rally can keep running at its recent pace and weighed the intensifying competition between the United States and China in that industry. Analysts at Capital.com, including Kyle Rodda, linked the Asian drop in part to that semiconductor weakness spilling across the Pacific — a reminder that the AI trade is now a global trade, with supply chains, memory-chip makers and hardware companies in Korea, Japan and Taiwan all priced as part of the same story. When confidence in that story cracks in New York, it does not stay in New York.
Oil Near $106 Keeps the Inflation Problem Alive
Oil did not spike on Tuesday — it did something almost as unsettling for traders. It stayed high. Reuters' markets wrap put Brent crude at about $105.90 a barrel, near a two-week high. In its separate oil report, Reuters said Brent was down 61 cents, or 0.57%, to $106.04 a barrel by 0000 GMT, after settling on Monday at $106.65, its highest settlement since September 15, with U.S. West Texas Intermediate down 47 cents to $93.27. A later update from HDFC Sky put Brent at $105.60 and WTI at $92.80, each down about 1% on Tuesday. Read together, those are not contradictions; they are snapshots at different moments of a market holding in the $105-$106 range for Brent with small early moves.
Two forces are pulling in opposite directions. On one side are attacks on Saudi Arabia and the wider risk to supplies from the Gulf. On the other is the prospect of more Russian diesel reaching the market. President Donald Trump has said Russia agreed to supply diesel and that his administration temporarily lifted sanctions on Russian fuel — a deal Previously covered in our report on the diesel agreement and sanctions lift. The energy truce between Russia and Ukraine, meanwhile, looks fragile, which is part of why traders are reluctant to assume the supply risk is going away.
The reason oil matters so much here is not just the price at the pump. Strategists at Saxo in Singapore, including Charu Chanana, made the point — paraphrased — that geopolitics hits markets hardest when it feeds back into inflation. Higher oil can push bond yields up, and higher yields are especially uncomfortable for expensive growth stocks — exactly the technology names that were leading Tuesday's decline. It is a loop: energy risk lifts inflation fears, inflation fears lift yields, and yields squeeze the valuations of the shares everyone has been crowding into.
A Strong Dollar and Yields Near Historic Highs
Currency and bond markets added to the tight feeling. Reuters reported the U.S. dollar holding near an 18-month high, with the euro at $1.1157 and the yen at 158.50 per dollar. A dollar that strong squeezes borrowers and companies outside the United States, makes dollar-priced commodities such as oil more expensive for other buyers, and tends to tighten financial conditions across Asia at precisely the moment stock markets are trying to find their footing.
Bonds offered only limited relief. The benchmark 10-year U.S. yield eased 2.9 basis points to 5.214% during Asian hours, Reuters reported — lower on the morning, but still close to last week's 24-year high of 5.364%. That context matters. A small dip from a level not seen in a generation is not the same as yields returning to comfortable territory. For stock investors, borrowing costs at these levels keep pressure on valuations, raise the bar for corporate earnings, and make every disappointment harder to forgive. That is the backdrop for a busy day elsewhere, too, from trade questions Previously covered in the EU-China hybrid vehicle export deal to the wider earnings picture.
Now Comes the Earnings Test in the U.S.
The next move may be decided not in Tokyo or Seoul but on Wall Street later on Tuesday. Four of the six largest U.S. lenders — JPMorgan Chase, Goldman Sachs, Citigroup and Wells Fargo — are scheduled to report third-quarter results, the traditional opening act of earnings season. With U.S. stocks near record highs, analysts are warning there is little room for disappointment. Ameriprise strategist Anthony Saglimbene made essentially that case ahead of the reports: when prices are already this high, companies do not get much credit for merely being fine — they have to be convincingly good.
Bank earnings matter beyond banks. Lenders see early what is happening with consumer spending, credit quality, deal-making and trading, so their numbers become a first read on the health of the whole economy. Previously previewed the broader setup in our look ahead to third-quarter earnings and the AI question, and Tuesday's bank results are where that preview meets reality. A strong set of reports could steady nerves after Asia's slide; a weak one would reinforce the worry that high oil, high yields, a strong dollar and rich valuations are a difficult combination to carry into the autumn.
For now, the pre-dawn picture is simple enough: Asia had a hard morning, chip stocks are under pressure on two continents, oil is not coming down far enough to help, and the dollar is not giving anyone room. Whether Tuesday becomes a one-day scare or the start of something larger depends first on those bank numbers — and then on whether the chip selloff finds a floor. Keep following the day's developments on the Previously news front.
Sources · 3 sources
Reporting based on coverage from Reuters' global markets and oil reporting and HDFC Sky's oil price update. Facts cross-checked across at least two independent outlets before publication.
