Schlumberger is trading 6.9% down at $50.15 after-hours on August 17, 2026; broader risk-off sentiment may have contributed, but no confirmed company-specific explanation was found.

  • Regular-session close: $53.88.
  • Schlumberger-led OneSubsea reportedly received the largest portion of ExxonMobil’s approximately $1.1 billion Mozambique LNG contracts, a positive development that does not explain the decline.
  • The S&P 500 fell 0.50% and the Dow fell 0.54%.