So far in 2018, oilfield services stocks have fallen broadly. The VanEck Vectors Oil Services ETF (OIH) has fallen ~9% YTD (year-to-date). Schlumberger (SLB), Halliburton (HLB), and TechnipFMC (FTI) have fallen 13%, 23%, and 6%, respectively, in 2018. Baker Hughes (BHGE) has risen ~1%. Together, the four companies form ~43% of OIH.