S&P 500 Approaches 10% Drop Following Increased Tariffs on Canada/ Newslooks/ WASHINGTON/ J. Mansour/ Morning Edition/ The U.S. stock market experienced a significant downturn as President Donald Trump announced a 50% tariff on Canadian steel and aluminum imports. This escalation in the trade war led the S&P 500 to approach correction territory, reflecting heightened investor anxiety over potential economic repercussions.

Market Turmoil Amid Escalating US-Canada Trade War: Quick Looks
- Increased Tariffs: President Trump announced a 50% tariff on Canadian steel and aluminum imports, intensifying trade tensions.
- Market Reaction: The S&P 500 fell 1.5%, nearing a 10% decline from its recent peak, signaling a market correction.
- Airline Industry Impact: Delta Air Lines reduced its revenue forecast, citing weakened demand amid economic uncertainty.
- Global Market Effects: European and Asian markets also experienced declines, reflecting global investor concerns over escalating trade disputes.
S&P 500 Approaches 10% Drop Following Increased Tariffs on Canada
Deep Look:
The U.S. stock market faced a significant downturn on Tuesday, March 11, 2025, as escalating trade tensions between the United States and Canada rattled investor confidence. President Donald Trump’s announcement of a 50% tariff on Canadian steel and aluminum imports marked a sharp escalation in the ongoing trade dispute, leading to widespread market volatility.
Escalation of Trade Tensions
President Trump’s decision to double the planned tariffs on Canadian metals to 50% was framed as a response to various grievances against Canada, including issues related to dairy import taxes and fentanyl smuggling. In a social media post, Trump suggested that Canada could eliminate such tariffs by becoming a U.S. state, a notion that Canadian officials have firmly rejected.
Market Response
The announcement had an immediate and pronounced impact on financial markets. The S&P 500 index dropped by 1.5%, bringing its total decline to 10% from its peak three weeks prior, thereby entering correction territory. The Dow Jones Industrial Average fell by 678 points, or 1.6%, while the Nasdaq Composite decreased by 1%.
This marked the seventh time in eight days that the S&P 500 experienced a swing of at least 1%, reflecting the heightened uncertainty among investors regarding the potential economic fallout from the escalating trade war.
Sector-Specific Impacts
The airline industry was notably affected by the market turmoil. Delta Air Lines reported a decline in customer confidence, leading to reduced demand for bookings. Consequently, the airline revised its revenue growth forecast for the first quarter of 2025 down to a range of 3% to 4%, from the previous estimate of 7% to 9%. Delta’s stock responded with an 8.3% loss.
Similarly, Southwest Airlines adjusted its revenue expectations, citing decreased government travel and a general softness in bookings. Despite these challenges, Southwest’s stock saw an 8.5% increase after announcing new charges for checked bags and initiatives to bolster customer loyalty.
Global Market Repercussions
The ramifications of the U.S.-Canada trade tensions extended beyond American markets. European indices, including the Stoxx Europe 600 and Germany’s DAX, experienced significant declines. In Asia, stock markets exhibited mixed reactions; while some indices fell, Shanghai’s market managed a modest 0.4% gain as China’s national congress concluded with measures aimed at stimulating the slowing economy.
Investor Sentiment and Economic Outlook
The escalation of the trade war has amplified concerns about a potential economic recession. The increased tariffs are expected to raise consumer prices and disrupt global supply chains, contributing to inflationary pressures. Business leaders and economists have expressed apprehension that prolonged trade disputes could dampen economic growth and lead to a contraction in consumer spending.
Treasury Secretary Scott Bessent has warned of an economic “detox” period as the U.S. transitions from public to private spending, drawing parallels to austerity measures implemented in other countries. This shift could further strain the economy, especially if coupled with ongoing trade conflicts.
Conclusion
The intensifying trade war between the United States and Canada has introduced significant volatility into global financial markets. As tariffs escalate and geopolitical tensions rise, investors are grappling with increased uncertainty, leading to sharp market corrections. The situation underscores the intricate linkages between trade policies and economic stability, highlighting the need for diplomatic resolutions to prevent further economic disruption.
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