
The yen and dollar gained after President Trump announced a positive COVID-19 test, prompting safe-haven buying. Markets calmed by afternoon, and the yen reached a one-week high of 104.95 per dollar before steadying.
Safe-haven flows strengthened the yen against the dollar, which tends to reduce the yen cost of dollar-priced feed imports. The move faded quickly, so the effect on grain and feed prices was limited.
Not enough comparable past events yet for a historical read.
After 1,637 past bearish macro events, US Dollar (Broad) moved a median -0.2% over 5 sessions (39% higher; middle half -0.6% to +0.3%), and -0.2% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.