https://www.reuters.com/article/us-hp-m-a-xerox-hlngs/xerox-threatens-hostile-bid-unless-hp-opens-its-books-idUSKBN1XV1PN >Xerox Corp on Thursday threatened to take its $33.5 billion buyout bid for HP Inc hostile, if the personal computer maker did not agree to a "friendly" discussion and open its books before Nov. 25.