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IPhone is a series of mobile phones with iOS operating system released by AppleInc The classic iPhone3G replaced the aluminum back cover of the iPhone (the first generation) with plastic, and the buttons of the mobile phone were also changed from plastic to metal and continued. The back of the iPhone3G has a gentler curved design. In August, 20021year, Apple Company (AAPL. US) became the champion of US stock trading volume on Monday. The stock closed up 3%, hitting a record high, with a market value of more than 2.5 trillion US dollars and a turnover of1382.7 billion US dollars. Zhitong Finance APP observed that the trading volume of Apple stock reached 90.2 million shares on Monday, higher than the daily average of 76.3 million shares. Since the company announced its third quarter financial report on July 27th, its share price has risen by 4.3%.