Apple performed well in 2019, with iPhone 11 series sales exceeding expectations. In the first trading day after Christmas, Apple closed up 1.98% and refreshed its closing high to close at 290 US dollars, and the total market value reached 1.30 billion US dollars, which is really the wealth value of a "rich country".Apple's stock price has increased by 82.9% in 2019, an increase of 96.5% compared with the same period of last year. The current market value of Apple has reached 13101.55 billion US dollars, and the market value in 2019 has increased by about 530 billion US dollars. As of the 26th, Apple fell by only 5 days in the 18 trading days in December, and the increase so far in December has exceeded 7%.Ever since Apple's stock price topped one trillion dollars, it has performed well. According to a report from Evercore ISI, Apple AirPods and iPhones have become must-have items for Christmas shopping, both online and offline sales have reached new highs.However, Credit Suisse analyst of the international investment bank said in a report on the 12th that iPhone shipments in China in November dropped 35.4% year-on-year, and Apple's sales in China have experienced double-digit declines for two consecutive months.