US to Implement 15% Global Tariffs This Week with 5-Month Rollback Plan

The US administration is set to implement a 15% global tariff starting this week, as announced by Treasury Secretary Scott Bessent. This move follows a Supreme Court ruling that found the use of the International Emergency Economic Powers Act (IEEPA) for such sweeping tariffs to be unauthorized. To comply with legal constraints, the administration plans to revert to previous tariff rates within a five-month timeframe. The decision is expected to cause significant volatility in global trade and currency markets, particularly affecting pairs like USD/CNY and EUR/USD. While the tariffs are inherently inflationary and disruptive to equities like the SPY, the defined sunset clause provides a clear timeline for market normalization. Investors are closely monitoring the implementation as it marks a major, albeit temporary, shift in trade policy under the current administration.