With significant upside potential, Schlumberger Limited (NYSE:SLB) secures a spot on our list of the 11 Cheap Clean Energy Stocks to Buy Right Now. Stifel Reiterates Its ‘Buy’ Rating on Schlumberger Limited (SLB), Cites Company’s Strong Performance in Kimberlite’s Industry Survey On September 15, 2025, Stifel reiterated its ‘Buy’ rating on Schlumberger Limited (NYSE:SLB). The investment firm highlighted the company’s strong performance in Kimberlite’s industry survey. Furthermore, the investment firm hi ...