Stocks open lower; Merck & Co. narrows 2014 outlook By: CNBC.com News October 27, 2014 at 09:30 AM EDT Stocks declined Monday, retreating after their best week of the year, as crude dropped below $80 a barrel and Merck & Co. narrowed its 2014 outlook. Read More >> Related Stocks: AbbVie Agnico-Eagle Mines Akamai Technologies Allstate Corp Altria Group Amtd Idea Group AutoNation Baidu.com SP ADR Boston Beer Company CBOE Global Markets Inc CONSOL Energy ConocoPhillips Deutsche Bank Ag DuPont USA Eastman Chemical Electronic Arts Expedia Express Scripts Holding Exxon Mobil F5 Networks Flextronics Intl Ltd GNC Holdings Inc Gilead Sciences Goldman Sachs Group Groupon Cl A Honda Motor Company ADR Johnson Controls Kraft Foods Group LPL Financial Holdings Inc Legg Mason McGraw Hill Financial Merck & Co MetLife Microchip Technology Microsoft Murphy Oil New York Times Company Newell Rubbermaid Newfield Exploration Newmont Mining Nintendo Ltd ADR Noble Energy Old Dominion Freight Line Inc Owens-Illinois Pfizer Praxair Procter & Gamble Public Storage Ralph Lauren Corp Range Resources Rockwell Collins Royal Dutch Shell Cl B ADR Samsung Electronics Ltd Sanofi-Aventis S.A. ADR Sentinelone Inc Cl A Shutterfly Inc Southern Co Starbucks Corp TECO Energy The Carlyle Group Time Warner Cable Western Digital Weyerhaeuser Co Williams Companies