New US Tariffs Threaten Canadian Economic Growth as Markets Await Nvidia Earnings and Fed Speech

A report by TD Securities warns that Section 338 US tariffs could shave 0.3 percentage points off Canadian GDP by 2027, while global markets navigate currency drops, gold corrections, and upcoming Nvidia earnings.

The Canadian economy faces fresh headwinds as updated trade policy dynamics between the United States and Canada threaten to constrain gross domestic product expansion over the coming years. According to an economic analysis conducted by analyst Robert Both at TD Securities, the implementation of new Section 338 tariffs by the United States alongside retaliatory measures from Ottawa will cumulatively reduce Canadian economic output by approximately 0.3 percentage points by the year 2027. The most pronounced growth drag is projected to manifest during the latter half of 2026. To mitigate the economic disruption, federal fiscal intervention amounting to CAD 7.5 billion is slated to cushion the broader fallout, while potential inflationary pressures are anticipated to remain largely bounded.

Escalating Trade Friction and Duty Structure Adjustments
The policy changes under Section 338 mark a noticeable escalation in cross-border trade friction, operating without key exemptions under the United States-Mexico-Canada Agreement (USMCA). The effective policy-implied duty rate across Canadian exports is slated to climb toward 7.5% from approximately 5.0% during the second quarter. This adjustment represents the steepest effective rate recorded since the replacement of previous 35% International Emergency Economic Powers Act (IEEPA) duties with Section 122 measures. Had proposed duty reductions proceeded as initially discussed, which involved lowering tariffs on steel and aluminum from 50% to 25% and reducing automotive tariffs from 25% to 15%, the overall tariff rate would have stood at a significantly lower 3.5%. Despite the severity of this shift, the targeted scope of Section 338 means that the direct impact across the general economy will be less broad-based than earlier generalized trade actions.

Monetary Policy Dynamics and Domestic Inflationary Risks
From a monetary policy standpoint, central bank authorities face a complex environment shaped by persistent international energy market instability. The Bank of Canada may display heightened sensitivity to upside inflation risks if global energy supply shocks continue to ripple through domestic supply chains. However, baseline modeling indicates that in the absence of additional trade escalation, the domestic consumer price index (CPI) impact will remain contained, adding no more than 0.2 percentage points to headline inflation through the end of 2027. Consequently, monetary policy calibration will balance energy-driven price risks against the dampening effect of trade-induced growth slowdowns.

Foreign Exchange Movements: Dollar Strength Pressures Major Pairs
Beyond trade projections, foreign exchange markets experienced significant volatility as a resilient US Dollar asserted pressure across major currency pairs on Wednesday. The British Pound (GBP/USD) reversed its previous session gain, breaking down below the key 1.3600 psychological support level. This pullback erased Tuesday's bullish advance as market participants digested updated macroeconomic data, including the latest US Personal Consumption Expenditures (PCE) price index readings and revised second-quarter GDP figures, alongside ongoing geopolitical developments. Similarly, the Euro (EUR/USD) accelerated its downward trajectory, retreating toward multi-day lows near 1.1650. The Euro's weakness reflected broad-based strength in the Greenback following the July PCE report and upward adjustments to US growth metrics.

Precious Metals and Treasury Yield Dynamics
Precious metals also encountered renewed selling pressure after a temporary upward momentum. Gold prices pulled back to test the critical threshold of $4,600 per troy ounce on Tuesday, reversing a three-day rally that had briefly driven spot prices toward a peak of $4,700 per troy ounce. The downward correction in bullion was primarily driven by a robust recovery in the US Dollar and a general firming of US Treasury yields across the curve. Higher yields increased the opportunity cost of holding non-yielding assets, while greenback strength made dollar-denominated commodities more expensive for international buyers.

Digital Asset Resilience and Institutional Crypto Flows
In contrast to traditional metals, digital assets showed steady underlying support. Bitcoin maintained trading activity in positive territory on Wednesday, consolidating above the $78,000 level while encountering resistance in its push toward the $80,000 mark. Institutional interest remained a key driver of market stability, marked by continuous capital inflows into digital asset products. Notably, BlackRock recorded $5 billion in tax-deferred Bitcoin-to-ETF swap volume, underscoring sustained institutional demand despite wider macroeconomic uncertainties.

Corporate Earnings Spotlight: Nvidia AI Benchmark
Equity markets shifted their focus toward corporate earnings performance, with semiconductor leader Nvidia scheduled to publish its quarterly financial results following the close of US trading on Wednesday evening. As a pivotal benchmark for the artificial intelligence industry, expectations for the chipmaker remain elevated. Market estimates project quarterly revenue exceeding $92 billion, alongside earnings per share (EPS) anticipated at $2.09. The outcome is widely viewed as a bellwether for technology sector valuations and enterprise capital expenditure trends.

Central Banking Leadership and Upcoming Jackson Hole Address
Looking ahead to broader central bank guidance, Federal Reserve Chair Kevin Warsh is preparing to deliver his inaugural address at the Jackson Hole symposium on Friday. Financial markets are closely watching the presentation, with expectations extending far beyond immediate interest rate choices for the upcoming September policy meeting. Investors are seeking clarity on long-term monetary policy frameworks, inflation targets, and macroeconomic risk assessments under Warsh's leadership.

What this means for you
For Global Investors & Traders: Trade escalations and central bank signals increase currency and commodity volatility, making hedging strategies essential.

For Consumers & Businesses in Canada: Rising tariff rates could raise import costs and slow broader GDP growth, though fiscal support aims to limit consumer price spikes.

Questions & Answers

1. How will the new US Section 338 tariffs affect Canada's economy?
The combined tariff measures are expected to reduce Canadian GDP by 0.3 percentage points by 2027, with the main slowdown occurring in late 2026.

2. What is the expected tariff rate on Canadian exports?
Total policy-implied tariff rates are projected to rise from approximately 5.0% to 7.5% over the second quarter.

3. How is the Canadian government responding to the trade shock?
The government is deploying CAD 7.5 billion in fiscal supports to partially cushion the economic impact on domestic industries.

4. Why did foreign exchange rates and gold prices fall?
A stronger US Dollar, driven by positive US PCE and GDP data along with rising Treasury yields, pushed down major currencies like GBP and EUR as well as Gold.

5. What are market expectations for Nvidia's earnings report?
Investors expect Nvidia to report quarterly revenues exceeding $92 billion and earnings per share of $2.09.

6. What event is scheduled for Federal Reserve Chair Kevin Warsh?
Fed Chair Kevin Warsh is scheduled to deliver his first Jackson Hole speech on Friday, offering monetary policy guidance beyond September.

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