SGI ▼ -0.0% - Somnigroup International Inc. $SGI - Leggett Dynamics Showcases Award-Finalist Innovations at Automotive News Congress in Detroit Somnigroup International (SGI) was flat on the day despite Leggett Dynamics showcasing award-finalist innovations at the Automotive News Congress in Detroit, suggesting the market has yet to price in any material impact from the company's product recognition at the industry event. 09-SEP-2026 07:00 AM ET