Australia's Sigma shareholders approve $5.5 billion Chemist Warehouse merger
SYDNEY, Jan 29 (Reuters) - Australia's Sigma Healthcare SIG.AX shareholders approved in a vote on Wednesday a merger with Chemist Warehouse to create an A$8.8 billion ($5.50 billion) pharmacy and retailing giant. (Reporting by Scott Murdoch; Editing by Muralikumar Anantharaman) ((Scott.Murdoch@thomsonreuters.com;))