GEF ▲ +0.9% - Greif, Inc. $GEF GEF.B GEF-B - Greif to Exit CRB Business, Close Sweetwater Paperboard Mill Greif announced it will exit its Corrugated Recycled Board (CRB) business and close its Sweetwater paperboard mill, a strategic restructuring that drove shares up 0.9% as investors interpreted the move as a step toward improving operational efficiency and focusing the company's portfolio. 16-SEP-2026 08:00 AM ET