提醒：北京时间20:30，将公布美国5月31日当周首次申请失业救济人数、美国4月贸易帐、美国一季度非农生产力终值、美国一季度非农单位劳动力成本终值、加拿大4月贸易帐。

Group 1 - The article highlights the upcoming release of key economic indicators, including the number of initial jobless claims in the U.S. for the week ending May 31, which is a critical measure of labor market health [1] - It also mentions the U.S. trade balance for April, which provides insights into the country's trade performance and economic activity [1] - Additionally, the article notes the final productivity figures for the first quarter in the U.S., along with the final unit labor costs, which are essential for understanding labor efficiency and cost trends [1] - Lastly, it references Canada's trade balance for April, indicating the importance of monitoring trade dynamics in North America [1]