AbbVie to buy Stemcentrx in $5.8 bln deal By: Reuters: Company News April 28, 2016 at 07:38 AM EDT April 28 (Reuters) - Drugmaker AbbVie Inc said it would buy privately held oncology company Stemcentrx in a deal valued at $5.8 billion in cash and stock. Read More >> Related Stocks: AbbVie