OEC ▼ -0.5% - Orion S.A. $OEC - Orion S.A.’s Plant in France Earns IATF Certification Orion S.A.'s French plant received IATF 16949 certification, a quality standard for automotive suppliers, but the news failed to lift shares as investors may have already priced in the achievement or sought more concrete evidence of revenue impact from the credential. $OEC fell 0.5% despite the operational milestone. 16-SEP-2026 08:07 AM ET