Renewed threats spark market volatility
President Donald Trump’s announcement of new tariffs on May 23, 2025, has sent shockwaves through global financial markets. By threatening a 50% tariff on goods imported from the European Union and a 25% levy on Apple’s iPhones, Trump reignited fears of a renewed trade war. Markets responded swiftly, Apple’s shares tumbled by 3%, while the Dow Jones, S&P 500, and Nasdaq each fell around 0.6% or more. This immediate market downturn highlights the sensitivity of investors to shifts in trade policy, particularly when large multinationals and key trading partners are involved.
Legal showdown over presidential powers
Trump’s tariff policy is now facing increasing legal scrutiny. A federal court recently ruled that the administration’s use of the International Emergency Economic Powers Act to justify broad tariffs exceeded presidential authority. However, a federal appeals court has temporarily reinstated much of the tariff regime, pending a final legal decision expected in June. This back and forth has created regulatory uncertainty for both businesses and investors. Companies that depend on international supply chains are particularly vulnerable, as they must navigate shifting costs and compliance risks amid unclear legal outcomes.
Economicstrain
Beyond the courtroom, the economic consequences of Trump’s tariffs are increasingly being quantified. Analysts estimate that over $34 billion in sales have been off track, and costs have increased for American businesses as a direct result of existing tariffs. According to the Penn Wharton Budget Model, these policies could reduce the nation’s long-run GDP by 6% and depress wages by 5%, with the average middle-income household facing a lifetime financial loss of approximately $22,000. These figures highlight that tariffs are not merely diplomatic tools; they have measurable and often painful effects on domestic economic performance and consumer welfare.

Allies push back as G7 looms
International reaction to Trump’s latest tariff threats has been swift and stern. The European Union is preparing countermeasures, expressing deep concern over the unilateral imposition of duties. Meanwhile, India has voiced fears that U.S. tariffs could jeopardize $5 billion worth of engineering goods exports, particularly in steel and aluminum. The Engineering Export Promotion Council of India has already flagged these threats as critical to its trade outlook. These tensions are expected to come to a head during the G7 Leaders’ Summit, scheduled from June 15 to 17 in Canada, where trade will be a central topic.
What’s next? Watch this space
As President Trump continues to leverage tariffs as a strategic tool, the global financial and political landscape grows increasingly complex. With legal rulings pending, international alliances tested, and market volatility on the rise, investors face a summer of heightened risk and potential recalibration. While tariffs are intended to protect American industries and reduce trade deficits, their broader consequences are economic strain, market instability, and geopolitical friction.
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