Tim Cook, who has been CEO of Apple for 13 years, had no idea people were naming their iMessage group chats. But once he found out, he had to give it a try. When a Wall Street Journal reporter recently asked Cook what the best name for a group chat was,

BEIJING -- Apple CEO Tim Cook on Wednesday pledged to increase investment in China during his Beijing visit, which analysts believe highlights the importance of the Chinese market to the American tech giant.