Apple stock extends losses after China warning about Trump

By Noel Randewich SAN FRANCISCO (Reuters) - Apple's stock extended recent losses on Monday after a warning that iPhone sales could suffer if President-elect Donald Trump follows through on campaign threats to impose new tariffs on China. Apple is among several major technology stocks, including Amazon.com , Facebook and Alphabet , selling off since Tuesday's election as investors shift funds into financial and public works companies seen benefiting from deregulation and infrastructure spending u