21 large-cap stocks that are down at least 20% in 2016 By: MarketWatch January 14, 2016 at 09:52 AM EST Many are energy companies, with the biggest loser down 47%, says Phil van Doorn. Read More >> Related Stocks: Alcoa Anadarko Petroleum AutoNation Borg Warner CONSOL Energy Devon Energy ENSCO Plc Freeport-McMoRan Hess Corp Marathon Oil McKesson Corp Murphy Oil Owens-Illinois Qorvo Inc Tenet Healthcare Transocean Ltd United Rentals Vertex Pharmaceuticals Williams Companies Wynn Resorts