Abbott Laboratories ($ABT) has largely focused on medical devices and diagnostics since spinning its innovative drugs business off into AbbVie ($ABBV), but Reuters reports the company is bidding on Brazilian drugmaker Aché Laboratorios Farmaceuticos, which could be worth up to $5 billion. Abbott joins Pfizer ($PFE) and Novartis ($NVS) in the running to acquire the privately held company, Reuters' sources say, but the deal could stall if one of the controlling families declines to sell its stake. Report | More