Stocks making the biggest move premarket: TRV, BX, BK, DHR, TXT, PM & more By: CNBC.com News October 18, 2018 at 07:54 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Alcoa Corp Amazon.com Bank of New York Mellon Blackstone Inc Constellation Brands Danaher Corp Endocyte Inc Facebook Gap Novan Inc Philip Morris International SAP Ag ADR Sealed Air Shire Plc Ads Snap-On Textron TravelersCompanies Visa eBay