Oil Edges Higher After Trump Rejects Iran Hormuz Plan — Wall Street Slips on Yields; TASI −0.96%
Takeaway: Into Tuesday 29 September 2026 Asia/Dubai morning, the tape that matters is Monday’s US/oil close plus Monday’s Gulf session. Crude settled slightly higher after an early >$4 spike when President Trump rejected Iran’s Hormuz reopen / truce proposal, then pared as Qatari mediation talks loomed — Brent settled at US$105.28/bbl (+0.9%) and WTI at US$92.60 (+0.2%). Wall Street opened the week lower as the 10-year Treasury yield jumped to 5.23% (highest since 2007): the Dow −0.67%, S&P 500 −0.77%, Nasdaq −0.92%. Across the Gulf on Monday, TASI slipped to 10,579.18 (−0.96%); Kuwait was effectively flat; Qatar −0.46%.
What happened
1) Oil — Monday settle higher after Trump rejection / Qatar-mediation fade
- Monday 28 September settlement (Reuters via Cruisin929 / DTN): Brent US$105.28/bbl, up US$0.96 (+0.9%); WTI US$92.60, up US$0.19 (+0.2%). Brent touched an intraday high near US$108.83 and WTI near US$96.54 before fading.
- Drivers: prices jumped more than US$4 early after Trump rejected Iran’s proposal to reopen the Strait of Hormuz and end hostilities. Gains pared on expectations that Qatari mediators would hold separate talks with Iranian Foreign Minister Abbas Araqchi in New York and the US side on Monday or Tuesday, focusing on an amended seven-day proposal presented at UNGA. Trump told Axios he expected more talks this week.
- Physical / policy color: Middle East crude exports rebounded to 12.8 million bpd in September (highest since the February war start, Kpler); Hormuz flows ~7.4 million bpd this month — still well below the pre-conflict ~20 million bpd. The Brent–WTI premium widened to its highest since May (third time in four sessions) on diesel-export-ban / red-dyed diesel relief talk. Saudi Foreign Minister Prince Faisal bin Farhan arrived in Washington for talks with Secretary Rubio amid Houthi escalation.
2) US equities — week opens red as yields hit multi-decade highs
- Monday 28 September 2026 close (Associated Press via Seattle Times / Core Quant):
- Dow 51,481.51 (−347.11 / −0.67%)
- S&P 500 7,683.69 (−59.72 / −0.77%)
- Nasdaq 26,820.38 (−248.34 / −0.92%)
- Russell 2000 2,817.91 (−0.7%). The 10-year Treasury yield jumped to 5.23% — highest since 2007 — following oil swings and ongoing Hormuz uncertainty. That more than offset Nvidia’s historic buyback announcement. Boeing dragged the Dow (~−7%) after an FAA certification delay on the 737 MAX 10. Defensive tilt: health care and consumer staples led while tech / industrials lagged.
3) Gulf equities — TASI gives back Sunday rebound; Kuwait flat; Qatar soft
- Monday 28 September 2026:
- TASI 10,579.18 (−102.66 / −0.96%) (Arab News); turnover ~SR3.48 billion (~US$926.5m); volume ~191.2m shares; breadth 52 advancers / 208 decliners. Parallel market Nomu 21,460.22 (−0.41%); MSCI Tadawul 30 1,425.47 (−0.9%). A clear give-back of Sunday’s +0.78% rebound.
- Kuwait All Share 8,844.38 (−0.40 pts / effectively flat); value KWD 125.7m (+43.5% vs Sunday); volume 426m shares via 27,893 deals. Premier Market 9,240.13 (+0.05%); Main Market 9,141.65 (−0.25%); Main 50 −1.49% (QNA / Al Jarida).
- QE Index (Qatar) 9,410.19 (−43.85 / −0.46%); volume 112.3m shares; turnover ~QAR 288.0m via 20,152 deals; 12 companies up / 35 down / 6 unchanged; market cap ~QAR 568.6bn (QNA).
Why it matters for Gulf + US-focused Arab traders
- Oil = rejection vs mediation still two-way: Monday’s early spike then fade shows how fast Hormuz / Iran headlines reprice the barrel. Trump’s rejection raised the risk premium; Qatar-mediation hopes cut it back — neither is a settled physical reopen.
- US tape = yields reopen the rates lens: After Friday’s first winning week in three, a 10-year at 5.23% (highest since 2007) puts the rates / Fed-path lens back in focus into the new week.
- Saudi give-back: TASI’s Monday −0.96% erased most of Sunday’s bounce on broad breadth (52/208). Still do not assume one-for-one with overnight crude.
- Kuwait / Qatar: Kuwait printed effectively flat with higher liquidity; Qatar extended its soft streak (−0.46%) — exporter boards are not moving as one with the oil column.
Short educational angle
Monday is a clean example of headline risk vs mean-reversion within a session: an early rejection of an Iran Hormuz proposal spiked crude more than US$4, then mediation hopes and conflicting diplomacy cables pulled prices back to a modest green settle — while the same oil swings helped push the US 10-year yield to a multi-decade high and knocked equities lower. On Gulf boards, Sunday’s TASI rebound did not survive Monday’s broad selling. Ask which window you are reading (early spike, Monday settle, or the next mediation cable) before treating one print as the whole story.
Sources
- Reuters via Cruisin929 — Oil prices settle slightly higher as Trump rejects Iran proposal; Qatar talks loom (Brent US$105.28 / WTI US$92.60). https://cruisin929.com/2026/09/28/oil-price-gains-pared-as-qatar-us-iran-talks-loom/
- DTN — Oil Rally Fades as Contract Expiry Looms (28 Sep 2026). https://www.dtnpf.com/agriculture/web/AG/news/world-policy/article/2026/09/28/oil-rally-fades-contract-expiry
- Associated Press via Seattle Times — How major US stock indexes fared Monday 9/28/2026. https://www.seattletimes.com/business/how-major-us-stock-indexes-fared-monday-9-28-2026/
- The Core Quant — The Wall Street Wrap: September 28, 2026. https://www.thecorequant.com/the-wall-street-wrap-september-28-2026
- Arab News — Closing Bell: Saudi benchmark index slips 0.96% to close at 10,579 (28 Sep 2026). https://www.arabnews.com/business/closing-bell-saudi-benchmark-index-slips-096-to-close-at-10579-3003565
- Al Jarida — Kuwait Bourse stable; All Share 8,844.38 flat; liquidity KWD 125.7m (28 Sep 2026). https://www.aljarida.com/article/145873
- QNA — Qatar Stock Exchange Index closes 0.46% lower at 9,410.19 (28 Sep 2026). https://qna.org.qa/en/news/news-details?date=28%2F09%2F2026&id=qatar-stock-exchange-index-closes-lower-on-monday
- QNA — Kuwait Bourse closes; All Share 8,844.38 (28 Sep 2026). https://qna.org.qa/en/news/news-details?date=28%2F09%2F2026&id=kuwait-bourse-closes-lower
Disclaimer: This article is for educational and informational purposes only and does not constitute investment, trading, or financial advice. Trading and investing involve substantial risk of loss. Past performance is not indicative of future results. Always do your own research and consider consulting a licensed advisor. Modern Money Experts is an educational brand.





