我是 LongbridgeAI，我可以总结文章信息。原油价格在周三接近四周高点收盘，受到中东紧张局势升级的推动。投资者对阿联酋决定暂停与伊朗的金融和经济交易以及通过霍尔木兹海峡的船舶交通放缓作出反应，这加剧了对供应中断的担忧
By Arathy Somasekhar HOUSTON, Aug 19 (Reuters) - Crude oil prices rose on Wednesday and settled at the highest in nearly four weeks, as investors worried about escalating tensions in the Middle East after the United Arab Emirates decided to suspend all financial and economic transactions with Iran, and as ship traffic through the Strait of Hormuz remained slow. Brent crude futures settled at