Trump's 10% global tariffs declared unlawful; trade war uncertainty persists

Trump's signature economic policy suffered a significant setback this week when a federal trade court declared his 10% global tariff regime unlawful, months after the Supreme Court upheld other components of his trade authority. The ruling creates immediate uncertainty for multinational corporations and challenges the administration's core tariff strategy. European carmakers are already absorbing an estimated 8 billion euro hit from existing levies, with Trump threatening an additional 25% increase if the EU does not implement last year's trade agreement. Germany's Defence Minister is planning a Washington trip to resolve tensions with Trump over arms procurement after Chancellor Merz fell out with the US president, signaling that trade friction is extending into critical security relationships. A spice company won its lawsuit against the tariff regime, becoming a symbolic victory for small manufacturers hit by the broad-based duty structure. Goldman Sachs has warned that S&P 500 buybackA company repurchasing its own shares from the open market. growth is expected to slow to just 3% this year due to economic shakiness and AI capex pressures; tariff uncertainty compounds this headwind by forcing companies to defer capital allocation. Corporate margins face pressure from both input cost inflationThe rate at which prices rise across an economy. and demand uncertainty, yet market rallies have persisted, suggesting that gains in AI and semiconductors are offsetting tariff drag. Traders are watching for further court rulings and any Biden-style pivot on tariff implementation that could provide clarity for long-term planning.