US Stock Market Move | Pharmaceutical stocks in general fell Merck & Co., Inc. (MRK.US) dropped more than 3%.

On Tuesday, pharmaceutical stocks fell across the board, with Merck & Co., Inc. (MRK.US) dropping by over 3%, GlaxoSmithKline plc Sponsored ADR (GSK.US) falling by nearly 3%, and Astrazeneca PLC Sponsored ADR (AZN.US) dropping by over 1%. On the news front, Bryan Garnier, a pan-European investment bank analyst, stated in a report that although it is still uncertain whether the drug "most favored nation" pricing policy proposed by the Trump administration will receive enough political support in Congress, it remains a major burden for the pharmaceutical industry.