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Daily Markets Update: Hot U.S. CPI Rattles Tech, Kospi Crashes 7.6%, TSX Slides 1.1% (Oct. 15)

  Thursday, October 15, 2026 | Canadian Money Brief | Daily Markets Update A hotter-than-expected U.S. inflation report turned Wednesday into a risk-off day, and the damage spread overnight to Asia, where South Korea's Kospi crashed 7.6% and triggered a market-wide circuit breaker. Here is where Canada, the U.S. and the world's other major markets stand this morning. Today's Headlines U.S. CPI hit 3.7% in September (3.6% expected, 3.4% in August), with core inflation at 2.6%. The Nasdaq fell 1.88% and the S&P 500 lost 1.11%. The TSX fell 1.11% to 35,584.46 , ending a three-day winning streak as materials plunged 4.33%. Asia sold off hard on AI valuation fears: Kospi -7.57% (seventh straight loss), Nikkei -4.90%. The loonie sits near an 18-month low at about 70.1 US cents as Fed-hike bets rise. Brent closed at US$106.06 and gold slid to a one-week low near US$4,084. Canada: TSX Ends Three-Day Win Streak The S&P/TSX Composite Index fell 399.52 points, or 1.11%, to...

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5 Things to Know Today: Oil Tops $108, CPI Day, and the Investment Summit Kicks Off

 

Monday, September 14, 2026

A busy Monday for your wallet: oil has punched through $108 a barrel on a second Middle East supply shock, Statistics Canada's August inflation report lands this morning, and Toronto is hosting the country's first-ever Investment Summit. Here's what's moving and what it means for you.

1. Oil jumps to a 4-month high after Saudi pipeline shutdown

Brent crude touched roughly $108 a barrel and WTI neared $103 on Monday after Saudi Arabia shut down its East-West pipeline — a 7-million-barrel-a-day route that bypasses the Strait of Hormuz — following drone strikes near Medina. A planned Oman meeting between Iran and Gulf states to de-escalate Hormuz shipping tensions was also postponed over the weekend, removing a near-term path to calm. Both benchmarks are now up roughly 9% over the past week alone, and some bank forecasts flag $120 oil as back on the table if disruptions persist.

What it means for you: Pump prices, which had been easing thanks to the federal gas tax holiday running through January 31, 2027, are likely to climb again in the coming days as this crude spike works its way to the rack. If you're planning a fill-up or a road trip this week, sooner is probably cheaper than later.

2. Today is the first post-tariff inflation reading

Statistics Canada releases August CPI at 8:30am ET this morning — the first inflation snapshot to include any effect of the Sept. 8 retaliation tariffs. Economists polled by LSEG expect headline inflation to hold at 3.0% year-over-year, with prices up about 0.3% month-over-month. RBC has pointed to energy costs (still up roughly 23% year-over-year) as the main driver keeping inflation elevated. This follows the Bank of Canada's Sept. 2 decision to hold its policy rate at 2.25% for a seventh straight time, while flagging openness to hikes if inflation stays sticky.

What it means for you: A hotter-than-expected print would strengthen the case some bank economists are already making for an October or December rate hike — worth watching if you're weighing a variable-rate mortgage or a fixed-rate renewal in the next few months.

3. Canada's first Investment Summit opens in Toronto

Day one of a two-day Canada Investment Summit (Sept. 14-15) kicks off in Toronto, hosted alongside CPP Investments and PSP Investments. Roughly 250 executives overseeing an estimated $120 trillion in assets are attending, with the government targeting $1 trillion in new investment over five years as part of a broader push to diversify the economy away from reliance on U.S. trade.

What it means for you: Nothing changes in your bank account today, but any announcements out of the Summit — particularly around manufacturing, energy, or infrastructure — are worth watching if you hold Canadian equities or sector-specific ETFs in your TFSA or RRSP.

4. TSX heads into a shaky Monday after a Friday bounce

The TSX closed Friday, Sept. 11 at 35,697.49 (+191.21, +0.54%), snapping a three-day losing streak but still down about 2.2% on the week. That bounce looks fragile this morning: Asian markets sold off overnight on the oil spike (Nikkei down roughly 0.8%, Kospi down about 3.3%), and U.S. futures are soft ahead of the open.

What it means for you: If you're a long-term investor, a volatile day like today usually isn't a reason to act. If you're closer to needing your portfolio — retiring soon, or drawing from a RRIF — it's a reasonable prompt to double-check your asset mix can handle swings like this one.

5. One day to go: new US tariffs on Canadian metals and paper

A separate round of U.S. tariffs — a 50% rate on Canadian steel, aluminum, and paper goods — is set to take effect tomorrow, Sept. 15. This track is distinct from the $27.6-billion Canadian retaliation tariffs that took effect Sept. 8, and from the Sept. 29 U.S. import bans on Canadian alcohol, whey, and motorcycles announced last week.

What it means for you: If you work in or around metals, manufacturing, or forestry, this is the tariff track most likely to touch your job or your employer's order book directly. We'll have the full breakdown tomorrow once it's official.

Coming up this week: Wednesday's ECB and Fed-adjacent data, Sept. 15-16 FOMC decision, and Sept. 17-18 Bank of England and Bank of Japan decisions — all with knock-on effects for the loonie and Canadian borrowing costs. We'll keep tracking it here.

This article is for informational purposes only and does not constitute financial advice. Figures are accurate as of publication and subject to change as new data is released.

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