Two separate supply shocks hit the same week, and the Federal Reserve gets its last inflation reading in three days.
Brent crude futures for November delivery rose 2.23% Tuesday to $99.16 a barrel, the closest the global benchmark has come to $100 this year. West Texas Intermediate for October climbed 3.26% to $94.46. The move followed strikes by Iran-aligned Houthi militants on Saudi energy infrastructure, which the kingdom's energy ministry said halted operations at certain facilities and wounded more than 70 people. Emergency crews were still containing fires and assessing damage, the world's largest oil exporter said.
The attacks came on top of a weekend exchange of strikes between the U.S. and Iran, and Iranian threats over U.S. ballistic missile upgrades. Together they have kept a substantial risk premium embedded in energy markets.
The Second Shock Was Scheduled
At midnight Tuesday, Canada's retaliatory tariffs took effect after trade talks with Washington collapsed. Ottawa is applying duties of 15%, 25% and 50% to roughly C$27.6 billion — about US$20 billion — of American imports across some 700 product lines. Steel duties doubled from 25% to 50%. Aluminum foil, dairy, cheese, cosmetics, motorcycles, household appliances, paper goods, railway locomotives and electronics are all on the list.
The package mirrors, nearly dollar for dollar, the 50% tariffs Washington imposed on Canadian exports on August 22. Prime Minister Mark Carney, who has refused what he calls unfair negotiating terms, told Washington to "stop posting memes and start being serious." U.S. Trade Representative Jameson Greer said Canada suspended talks without economic justification; Commerce Secretary Howard Lutnick argued Carney walked away for domestic political advantage.
Equities Took the Message
The Dow fell 606.37 points, or 1.14%, to 52,807.88. The S&P 500 slipped 37.61 points to 7,680.99, down 0.49%, and the Nasdaq lost 126.74 points to 26,380.25, off 0.48%. The Russell 2000 declined 0.34% to 2,965.44. The VIX rose 1.96% to 15.60 — higher, but nowhere near panic. Gold fell 0.75% to $4,443.10 and bitcoin dropped 1.64% to $77,884.62.
The bond market did the real talking. The 10-year Treasury yield topped 4.8% Tuesday, its highest since October 2023, extending a climb that began Friday when August payrolls came in at 162,000 against forecasts near 55,000. The unemployment rate held at 4.1%.
Why the Timing Matters
August CPI lands Friday, September 11. The FOMC convenes September 15-16 with the federal funds target at 3.50%-3.75%, unchanged since December 2025, and futures pricing a live chance of a rate hike — estimates have ranged from roughly 52% to the mid-60s since Chair Kevin Warsh's Jackson Hole remarks. Headline CPI ran 3.4% year over year in July, core 2.5%.
"The inflation picture is becoming murkier because of the rally in oil prices following the latest exchange of strikes," said Kyle Rodda, senior analyst at Capital.com, adding that geopolitical tension and rate uncertainty "continue to cast a shadow over the markets, especially heading into crucial price data."
Neither shock will show up in Friday's number — August CPI closed its books before both. That is precisely the problem for a committee already split on whether inflation is beaten. Goldman Sachs on Monday raised its December 2026 Brent and WTI forecasts by $5, to $85 and $80, and expects Mideast shipping disruption to persist into 2027.
Sources: CNBC, NBC News, Yahoo Finance, Trading Economics, The Week, Saudi Ministry of Energy, Goldman Sachs research note (September 7, 2026), U.S. Bureau of Labor Statistics