BEIJING (Reuters) -Apple will increase investment in China, the company's Chief Executive Tim Cook said during a meeting with the country's industry minister in Beijing on Wednesday, according to an official summary of their exchange. Many U.S. companies have become cautious about relations with China as the world's two biggest economies have clashed over trade tariffs and as U.S. President Donald Trump seeks to promote manufacture in the United States rather than elsewhere. But Cook told China's industr ...