Jokes about stocks?

1. The stock market rose for several days, and one day the stock market plummeted, and everyone was very unhappy. Zhang San was also very depressed after the close in the afternoon and went home. It happened that his son came home from school and pushed the door and called "Dad". Zhang San flew into a rage. "You can't call down (dad), you should call up (parents)." At dinner in the evening, Zhang San's brother Zhang Si came to the door and called "Brother" after entering the door. Zhang San has a long face. "Can't call' cut', should be called Xiao Ceng (brother)".