Apple's Tim Cook pledged to boost the tech giant's investment in China on Wednesday as it navigates the trade war between Beijing and Washington. Many US companies have become cautious about relations with China as the world's two biggest economies clash over tariffs and as US President Donald Trump seeks to promote manufacturing in the United States rather than elsewhere. But Cook told China's industry minister Li Lecheng the iPhone maker will keep investing in China, according to an official summary of their meeting in Beijing released by the Chinese, although it gave no details of the size of the potential investment. Apple did not immediately respond to a request for comment. The California-based company, which has also made investment...