Key Takeaways CLH shares gained 7.1% over the past month, with fourth-quarter 2025 earnings & revenues expected to rise y/y.Clean Harbors benefits from rising demand for environmental compliance and hazardous waste services.CLH shows strong liquidity and continues returning value through consistent share repurchases.Shares of Clean Harbors Inc. (CLH) have had a decent run over the past month. The stock has gained 7.1%, outperforming the industry’s marginal rise.The company’s fourth-quarter 2025 earnings are ...