Citi Cuts Pfizer To Sell On Oncology Drug, M&A Risks By: TalkMarkets May 16, 2017 at 13:40 PM EDT Shares of Pfizer are falling after Citi analyst Andrew Baum downgraded the stock to Sell from Neutral and lowered his target price to $31 from $38. Read More >> Related Stocks: Allergan Plc Bristol-Myers Squibb Eli Lilly Pfizer