European and American stock markets have indeed performed well, but troubles behind them have gradually emerged. According to Reuters, talks between UPS and the International Brotherhood of Truckers have stalled. A think tank specializing in the study of United Parcel Service (UPS) said that the UPS strike may be “one of the most expensive strikes in at least a century”, and the loss of 10 days of shutdown will be as high as 7 billion U.S. dollars (equivalent to nearly 50 billion yuan. Yuan). In addition, according to the “New York Times” report on July 13, the American Screen Actors Guild and the United Radio and Television Artists Union (SAG-AFTRA)…