EXCLUSIVE: Coffee traders' big shipments are set to boost exchange stocks and weigh on prices ↧ ↧ EXCLUSIVE: Coffee traders' big shipments are set to boost exchange ... Traders are planning to deliver significant volumes of arabica ​coffee from the world's biggest producer Brazil to ICE exchange warehouses, where stocks have sunk to 26-year lows and ‌driven up prices, dealers, brokers and analysts with knowledge of the matter said.