The 5 Biggest Oilfield Services Stocks Ranked From Worst to First By: TalkMarkets July 18, 2018 at 04:30 AM EDT Due to the downturn of the oil market that began in 2014, the oilfield services stocks have dramatically underperformed the market. Read More >> Related Stocks: Baker Hughes Ord Shs Cl A Halliburton Co Natl Oilwell Varco Schlumberger Ltd Technipfmc Plc