Shares of Casella Waste Systems (CWST) are soaring 5.71% in pre-market trading on Friday, following the company's impressive third-quarter earnings report released late Thursday. The waste management firm delivered results that surpassed analyst expectations, driving investor optimism.

Casella Waste reported Q3 adjusted earnings of $0.42 per diluted share, significantly beating the FactSet analyst consensus of $0.32. While this represents a slight decrease from $0.44 per share in the same quarter last year, the better-than-expected performance has clearly pleased investors. Revenue for the quarter ended September 30 climbed to $485.4 million, up from $411.6 million a year ago and surpassing the $476.3 million anticipated by analysts.

Adding to the positive sentiment, Casella Waste Systems provided an optimistic outlook for the full year 2025. The company now expects revenue to range between $1.83 billion and $1.84 billion, aligning with the FactSet analyst consensus of $1.84 billion. This guidance suggests continued growth and stability in the company's operations, further bolstering investor confidence and contributing to the stock's pre-market surge.