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Asian markets sent mixed signals on Monday, October 12, 2026: South Korean shares fell, while a broad Asia-Pacific index excluding Japan was little changed. Oil prices slipped after opening higher. Investors were weighing conflicting energy-supply news alongside upcoming U.S. bank earnings and inflation and spending data, according to Reuters’ report from the Asian morning session. These are dated market snapshots, not live prices or forecasts of what markets will do next.
What moved in Asian markets and oil?
Reuters reported that South Korean stocks fell 1.1%, while MSCI’s broadest Asia-Pacific shares index excluding Japan was little changed. Japan’s market was closed for a holiday, so the regional comparison did not include a Japanese trading session.
In the same report’s session snapshot, Brent crude futures were down 1.1% at $103.50 a barrel after starting higher; the report put the recent peak at $109.97. U.S. crude futures fell 1.2% to $90.73 a barrel. These figures describe the report’s October 12 session and may have changed afterward.
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Why was oil slipping despite supply risks?
The oil move reflected competing signals rather than clear evidence that supply risks had eased. Reuters cited strikes on shipping and airports in the Gulf as a concern for supply. It also reported uncertainty after President Donald Trump announced an energy ceasefire between Ukraine and Russia that neither side had confirmed, and a proposal for Russia to increase diesel exports.
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Reuters said Republican and Democratic senators objected to the proposed Russian diesel exports, arguing they could be illegal. The report does not establish that the proposal was implemented, that a ceasefire was agreed, or that a legal finding was settled. The lower crude prices were therefore a one-session market response amid unresolved geopolitical and supply questions.
What earnings are investors watching?
Major U.S. banks were expected to begin reporting quarterly earnings on Tuesday, October 13, according to Reuters. The report also cited an LSEG IBES expectation that S&P 500 third-quarter earnings would grow by more than 30%. Most of that expected increase was attributed to technology, making the results a test of whether the sector’s earnings can support elevated valuations.
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That concentration matters: a strong index-level growth estimate does not mean gains are expected to be equally broad across companies. My Bui, an AMP economist, said the report found that all S&P 500 gains since mid-September had come from technology.
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What are the risks to technology valuations?
One concern raised in the report was the cost of financing artificial-intelligence investment. Bui linked wider credit spreads and corporate borrowing for AI spending to the possibility of higher refinancing costs as debt matures. She said: “Overall, wider spreads suggest investors are questioning whether AI revenues can keep pace with rising borrowing costs.” This is her interpretation of market signals, not a measured conclusion about every investor or company.
Reuters also reported that U.S. Treasury yields had reached 24-year highs the previous week, without giving a specific yield. The report said an investment-grade U.S. credit-default-swap index had risen to its highest level since the Iran war began, but supplied no numerical level. Neither figure should be read as a precise current quote.
What inflation and spending data were due?
The Reuters report described market expectations for U.S. inflation figures, not published results. Headline consumer-price inflation was expected to rise 0.6% month over month, putting the annual rate at 3.7%; core CPI was expected to rise 0.2% month over month, putting the annual rate at 2.5%. These were forecasts reported on October 12, 2026, and should not be mistaken for actual readings.
Producer-price and retail-sales data were also scheduled for that week. The report’s concern was that energy costs could renew inflation pressure and that higher prices could squeeze household purchasing power. Bruce Kasman, JPMorgan’s head of global economics, said: “The signals on inflation point to a sharp rebound in headline inflation that will squeeze purchasing power and a firming in core inflation that will keep central banks focused on near-term hikes.”
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What did rate expectations signal?
Reuters reported that market pricing at the time implied an 18% chance of a Federal Reserve rate increase that month and an 85% chance in December. Those percentages were market-implied probabilities, not a Fed commitment or a guarantee of a rate move. The report also mentioned bets on rate increases in the European Union, Japan, and the United Kingdom before year-end, but gave no exact probabilities for those markets.
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How to read this market snapshot
| Signal | What Reuters reported on October 12, 2026 | What it does—and does not—show |
|---|---|---|
| Regional equities | South Korean stocks fell 1.1%; the Asia-Pacific index excluding Japan was little changed. Japan was closed for a holiday. | Regional performance was uneven; it was not a uniform decline across Asia. |
| Crude oil | Brent and U.S. crude futures fell 1.1% and 1.2%, respectively, in the reported session. | Prices eased during that snapshot despite Gulf supply concerns; one session does not resolve the supply outlook. |
| Earnings | LSEG IBES expected S&P 500 third-quarter earnings growth of more than 30%, with most of the expected increase from technology. | The estimate made technology results especially consequential; it was an expectation, not a reported outcome. |
| Inflation | Headline CPI was expected at 0.6% month over month and 3.7% year over year; core CPI at 0.2% month over month and 2.5% year over year. | These were market forecasts cited by Reuters, not actual CPI results. |
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