KEY POINTS
  • The Dow, S&P 500 and Nasdaq composite have all dropped, on average, at least 0.4 percent this year immediately after an announcement related to U.S. trade relations, CNBC analysis using Kensho shows.
  • The analysis takes into account six instances this year in which the Trump administration and the European Union have announced they will impose tariffs or threatened to impose them on certain goods.
  • However, the major averages rebound at least half a percent just five days after such an announcement.

The Trump administration's history with trade has been volatile for stocks, usually sending them lower at first, but investors who have bought equities on those dips have been rewarded.

The Dow Jones industrial average, and Nasdaq composite this year dropped on average at least 0.4 percent immediately after an announcement on trade policy from the U.S. or its partners, according to CNBC analysis using Kensho. The analysis takes into account six instances this year in which the Trump administration and the European Union have announced they will impose tariffs or had threatened to impose them on certain goods.