A research study by Sytsma and Wilson, using 2000 to 2017 data, examines how Midwest corn shippers choose between barge and rail as distance to a waterway changes. Barge carried about 86 percent of combined barge and rail corn tonnage in the studied zones.
The findings show how barge access shapes corn freight competitiveness, but it is background research with no new supply or price shock, so the direct market effect is limited.
Not enough comparable past events yet for a historical read.
After 770 past neutral report events, Corn moved a median +0.2% over 5 sessions (54% higher; middle half -1.1% to +1.6%), and +0.7% 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.