SMX ▲ +6.3% - SMX (Security Matters) Public Limited Company $SMX SMXWW - With Oil Hovering at $100 a Barrel, Recycled Plastic is the Affordability Solution Hiding in Plain Sight Security Matters (SMX) rose 6.3% today as the company highlighted recycled plastic as a cost-effective alternative in an environment where oil prices remain elevated around $100 per barrel. The messaging suggests investor interest in SMX's positioning within the recycled plastics market as crude costs make virgin plastic production more expensive. 18-SEP-2026 01:30 PM ET