
Mexico's stock exchange fell 4.2 percent on Monday, its largest drop since November 2016, after voters rejected the new Mexico City airport project. The peso weakened to about 20.36 per dollar by the close.
Officials said the market reaction was not a cause for alarm, while the status of the roughly $13 billion partly built airport remains unclear.
Financial stress in Mexico weakens the peso and raises import costs for feed and food buyers there. The price effect on agricultural commodities is limited and mainly indirect.
Not enough comparable past events yet for a historical read.
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.