Asian markets sent mixed signals on Monday, October 12, 2026: South Korean stocks fell, while a broad Asia-Pacific index excluding Japan was little changed. Oil futures also edged lower after starting higher. Investors were weighing conflicting energy-supply news alongside upcoming U.S. bank earnings and inflation data. These are Reuters’ snapshots and expectations from the Asian morning session, not live quotes or settled outcomes.
Why were Asian shares choppy?
Trading was uneven across the region. South Korean stocks fell 1.1%, while MSCI’s broadest Asia-Pacific shares index excluding Japan was little changed, according to Reuters’ October 12 report. Japan’s market was closed for a holiday, so the regional picture did not include a Japanese session.
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The divergence matters: one country’s decline does not describe the whole region. The report offered no basis for treating the session as a broad regional sell-off or as a lasting trend.
Why was oil slipping despite supply concerns?
Reuters reported Brent crude futures down 1.1% at $103.50 a barrel after starting higher; the report put the recent top at $109.97. U.S. crude futures fell 1.2% to $90.73 a barrel. These figures describe the report’s Asian-session snapshot and can change quickly.
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Prices reflected competing supply signals rather than a clear resolution of energy risks:
- Disruption risk: Reuters cited strikes on shipping and airports in the Gulf.
- Uncertain additional supply: The report described confusion following President Donald Trump’s announcement of an energy ceasefire between Ukraine and Russia, which neither side had confirmed, and a proposal for Russia to increase diesel exports.
- Legal and policy uncertainty: Republican and Democratic senators objected to the diesel proposal, arguing it could be illegal. Reuters did not establish that the proposal had been implemented or that a legal finding had been reached.
For that reason, the session’s oil decline should not be read as proof that geopolitical or supply risks had passed.
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What should investors watch as earnings loom?
U.S. bank reports and the technology earnings test
Major U.S. banks were expected to start reporting quarterly results on Tuesday, October 13, according to Reuters. The report cited LSEG IBES expectations for S&P 500 third-quarter earnings growth of more than 30%, with most of the projected increase coming from technology. That is an estimate reported on October 12, not a reported earnings outcome.
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Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →The concentration in technology makes the results a test of elevated technology valuations: strong aggregate growth would not by itself show that earnings are broad across the index. Reuters also reported AMP economist My Bui’s observation that all S&P 500 gains since mid-September had been in technology.
AI financing and credit spreads
The report said the U.S. investment-grade credit-default-swap index had risen to its highest level since the Iran war began, without stating a numerical level. Bui linked wider spreads and borrowing costs to questions about whether AI-related revenues can support the financing of investment. “Overall, wider spreads suggest investors are questioning whether AI revenues can keep pace with rising borrowing costs.”
Bui also said corporate borrowing to fund AI spending, combined with wider high-yield spreads, could increase refinancing costs as debt matures. This is attributed analysis about a risk, not evidence that every AI investment or borrower faces the same outcome. Reuters noted that Treasury yields had reached 24-year highs in the prior week, but did not give a specific yield.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What inflation and spending data were expected?
Reuters described market expectations for U.S. consumer-price inflation, not published results. The figures below are forecasts reported on October 12, 2026:
| Measure | Expected monthly change | Expected annual rate |
|---|---|---|
| Headline CPI | 0.6% | 3.7% |
| Core CPI | 0.2% | 2.5% |
Headline inflation includes food and energy; core inflation excludes them. The distinction helps explain the report’s concern about energy costs: a rise in headline inflation could squeeze household purchasing power, while firmer core inflation could keep central banks focused on rates. 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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Producer-price and retail-sales data were also scheduled in the United States that week. The report did not provide forecasts for those releases.
What did rate expectations indicate?
Reuters reported market pricing implying an 18% chance of a Federal Reserve rate increase that month and an 85% chance in December. These were market-implied probabilities at the time of the report, not a Fed commitment or guaranteed outcomes. The story also noted bets on rate increases in the EU, Japan and the UK before year-end, without giving probabilities for those markets.
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