What does a down stock market mean for your 401k?

FORT WAYNE, Ind. (WANE) — Tariffs have made markets a little unpredictable so far in April.
CBS reported Monday, "Stocks plummeted last week after Mr. Trump on April 2 announced a 10% global duty on all U.S. imports and 'reciprocal' tariffs on nearly 90 countries."The short-term expectations are that some costs are being passed off on the consumer when buying imported goods, but what about retirement funding? Specifically, what about those who hold a 401(k)? Will the tariffs lead to a rece