Barclays Issues 3 Upgrades, 1 Downgrade On Pharma Stocks By: Benzinga via Benzinga January 16, 2015 at 15:12 PM EST In a report published Friday, Barclays issued ratings changes on big European pharma stocks. The firm upgraded: Merck ... Read More >> Related Stocks: Astrazeneca Plc ADR Bayer Aktienges ADR Merck & Co Sentinelone Inc Cl A Shire Plc Ads