https://finance.yahoo.com/news/facebook-says-zuckerberg-wont-testify-090438015.html > Facebook has been under pressure since the revelations that vast swathes of data were held by British firm Cambridge Analytica, after it was obtained from a researcher who shared the data without the social network’s permission. > Kim Jong Un Has Made a Surprise China Visit, Sources Say" data-reactid="26">More from Bloomberg.com: Kim Jong Un Has Made a Surprise China Visit, Sources Say