CWST ▼ -1.3% - Casella Waste Systems, Inc. $CWST - Casella Waste Systems Recognizes 2026 Sustainability Leaders Casella Waste Systems fell 1.3% today following the company's announcement recognizing 2026 sustainability leaders. The decline suggests investors may have viewed the sustainability initiative announcement as insufficient to offset broader market concerns or existing headwinds facing the waste management sector. 10-SEP-2026 04:05 PM ET