周四（6月19日）欧市尾盘，伦敦可可期货跌4.54%，报5739美元/吨，日内大部分时间低位窄幅震荡。罗布斯塔咖啡期货跌0.51%。

Core Viewpoint - Cocoa futures in London experienced a significant decline of 4.54%, settling at $5,739 per ton, with most of the day spent in a narrow range of low fluctuations [1] - Robusta coffee futures also saw a slight decrease of 0.51% [1] Group 1 - Cocoa futures dropped to $5,739 per ton, marking a 4.54% decrease [1] - The trading session for cocoa was characterized by low volatility and narrow fluctuations [1] - Robusta coffee futures fell by 0.51%, indicating a minor decline in the coffee market [1]