Baker Hughes sinks in early energy-sector swoon By: MarketWatch November 09, 2011 at 10:30 AM EST Oil services rank as the weakest among the segments of the energy market, as the sector overall plays off Wall Street’s heavy-duty early selling. Read More >> Related Stocks: Anadarko Petroleum Baker Hughes Inc CONSOL Energy Chevron Corp Exxon Mobil Natl Oilwell Varco Standard & Poors 500