https://www.reuters.com/article/us-facebook-privacy-zuckerberg/facebook-shares-rise-as-u-s-senators-question-zuckerberg-idUSKBN1HH1CU >Facebook Inc shares rose on Tuesday to their highest in almost three weeks as Chief Executive Mark Zuckerberg fended off questions from U.S. senators on how the social network handles user data and plans to counter attempts at interfering in U.S. elections.