When did these new tariff rates go into effect?

The New U.S. Tariff Rates: Effective Dates and Immediate Market Impact

The recent economic turbulence stems from the Trump administration's sweeping tariff policies, which have sent shockwaves through global markets. The new tariff rates were officially announced on April 2, 2025, as part of a broader strategy to impose a 10% levy on all goods imported into the U.S., alongside additional duties targeting products from 185 nations labeled as "worst offenders." These measures took effect just four days later, on April 6, 2025, marking the start of a period of heightened trade tensions and financial instability.

The rapid implementation of these tariffs left little time for markets to adjust, triggering an immediate selloff. By April 9, 2025, retaliatory tariffs from other nations were set to activate, further escalating the situation. Notably, China responded with a 34% tariff on all U.S. imports, scheduled to begin on April 10, 2025, compounding fears of a prolonged trade war.

The abrupt enforcement of these tariffs contributed to one of the most severe market downturns in recent history. On the day the tariffs took effect, U.S. stock futures signaled steep declines, with the S&P 500, Dow Jones, and Nasdaq all plunging by nearly 2% or more. Asian markets suffered even sharper losses, with Hong Kong's Hang Seng index dropping 13.2%—its worst single-day performance since the 1997 Asian financial crisis. European markets followed suit, with major indices like Germany's DAX and France's CAC 40 each losing 5.8%.

The cryptocurrency market was not spared, as Bitcoin tumbled over 7% to fall below $78,000, erasing $80 billion in market value within days. Investors worldwide expressed growing anxiety over the potential for a recession, with some analysts warning that the tariffs could derail economic recovery efforts.

In a surprising twist, President Trump announced a 90-day pause on tariffs for most countries on April 10, 2025, offering temporary relief to markets. The Dow Jones Industrial Average surged in response, though uncertainty persists as administration officials, including Commerce Secretary Howard Lutnick, reaffirmed their commitment to maintaining the tariffs in some form.

The timing of these tariffs and their swift enactment underscore the volatility of trade policy as a tool for economic strategy. With global markets still reeling and recession fears mounting, the long-term consequences of these measures remain uncertain. Policymakers and investors alike are now grappling with the challenge of navigating an increasingly unstable economic landscape.

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