Exclusive: Shire prepares to make new bid for Baxalta - source

ZURICH/LONDON (Reuters) - Drugmaker Shire is preparing to make a new takeover offer for U.S. biotech firm Baxalta that if successful will create one of the world's leading specialists in rare diseases, a source with direct knowledge of the situation said on Tuesday. The London-listed group has asked its advisers to renew its bid effort, the source said, almost four months after Baxalta rejected an unsolicited $30 billion offer that it said significantly undervalue