SNN ▲ +0.1% - Smith & Nephew plc $SNN - Natural design. Amplified: Smith+Nephew announces FDA 510(k) clearance and first surgical cases of LANDMARK™ Total Knee System Smith & Nephew gained ground following the FDA 510(k) clearance of its LANDMARK™ Total Knee System and the completion of first surgical cases, expanding the company's orthopedic portfolio with a new knee replacement offering. The modest 0.1% gain suggests the market has already priced in expectations for the product or investors are taking a measured view of its near-term revenue impact. 22-SEP-2026 08:00 AM ET