source:[1] Is Schlumberger Stock Underperforming The Nasdaq? (https://www.barchart.com/story/news/34617026/ ...)[2] Is Schlumberger Stock Underperforming The Nasdaq? - Barchart.com (https://www.barchart.com/story/news/detail/20 ...)[3] Schlumberger 2025 Q2 Earnings Net Income Falls 8.5% - AInvest (https://vertexaisearch.cloud.google.com/groun ...)