Why These Energy Stocks are Losing This Week

4. Core Laboratories Inc. (NYSE:CLB)

Share Price Decline Between Oct 3 – Oct 10: -14.91%

Next on our list of Energy Stocks that Lost the Most This Week is Core Laboratories Inc. (NYSE:CLB), a leading global provider of proprietary and patented reservoir description and production enhancement services and products for the oil and gas industry.

Core Laboratories Inc. (NYSE:CLB) slumped following the recent escalation in the trade tensions between the US and China, with Beijing announcing stricter controls on rare-earth mineral exports and the US responding with threats of more aggressive tariffs on imports from China. The resultant prospects of an economic slowdown led to a decline in crude oil prices, with the WTI price falling to a multi-month low of below $60 per barrel.

On the positive side, Core Laboratories Inc. (NYSE:CLB) recently announced the acquisition of the integrated geological services company, Solintec, strengthening its position in the Brazilian oil and gas market.

Following the recent downturn, the share price of Core Laboratories Inc. (NYSE:CLB) has fallen by over 43% since the beginning of 2025.