Ivory Coast's cocoa grind dropped 31.2% year-on-year in July to 39,301 metric tons, data from exporters' association GEPEX showed on Monday, with grinders citing poor bean quality and low volumes of the mid-crop.The total grind - part of the process of transforming cocoa beans into chocolate - from the start of the 2024/25 season in October until the end of July stood at 515,055 tons of beans, down 4% from the same period last season…