MMM ▲ +0.1% - 3M Company $MMM - New 3M™ Cooling Film helps fleet and rail operators keep cabin interiors cooler and improve efficiency 3M shares rose 0.1% following an announcement of a new cooling film product designed to help fleet and rail operators reduce cabin temperatures and improve operational efficiency. The modest gain reflects investor interest in the company's expansion into climate control solutions for transportation applications. 02-SEP-2026 09:04 AM ET