
A supplier update says vitamin C prices rose through end-2016 after corn and coal cost increases and pollution-control facility shutdowns in China, and are now stable at historically high levels. It adds that derivatives such as sodium ascorbate may keep rising, and that L-Leucine animal-source prices rose from mid-2016 on environmental restrictions before stabilizing.
Chinese environmental curbs and higher corn costs are lifting prices of specialty feed additives, which raises formulation costs for feed buyers even though the impact on bulk feed commodities is limited.
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.