Long-threatened tariffs from U.S. President Donald Trump have plunged the country into a trade war abroad — all while on-again, off-again new levies continue to escalate uncertainty.

Tariffs have historically triggered market volatility. When the Trump administration announced tariffs on China, markets dropped sharply before making a near-total recovery that same day. Investors should focus on long-term goals and consult their financial advisors before making portfolio changes.