Retail giant Wesfarmers will buy pharmacy chains Priceline and Soul Pattinson for more than $616 million. Wesfarmers said on Wednesday it had agreed to acquire 100 per cent of the chains' parent company Australian Pharmaceutical Industries Limited at $1.55 a share. Retail juggernaut Wesfarmers, which owns Kmart, Bunnings, and Officeworks, has announced plans to acquire Pharmaceutical Industries Limited 'Wesfarmers continues …