
The yen surged to be poised for its biggest daily gain in 20 months on January 3 as concerns about the global economy, especially China, drove investors into safe-haven assets. The dollar fell as low as 104.10 yen before recovering to about 107.54.
Apple's sales forecast cut, citing slowing iPhone sales in China, triggered the early slide.
Growing concern over China's economy can reduce expected Chinese imports of feed ingredients. Sharp yen moves also change dollar-based import costs for Asian buyers.
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.