Apple CEO Tim Cook visits Shanghai, emphasizing China's importance to Apple's supply chain amid falling iPhone sales.

Apple CEO Tim Cook visited Shanghai, emphasizing the importance of China in the company's supply chain amidst a drop in iPhone sales in China. Cook met with suppliers such as BYD Electronics and Lens Technology and spent time walking along Shanghai's historic Bund river. The visit comes after Apple announced it would open a new retail store in the Chinese financial hub and as the company faces rising competition from domestic rivals like Huawei.