Sumitomo Pharma shares plunge 12% despite greenlight for Parkinson's treatment ⊕ found 2026 › Feb › 20 (Fri) @ 02:46 UTC a story from CNBC ⚠️ › Top News Sumitomo ■■ Pharma ■■ Parkinson ■■ Japan ■■ Sumitomo Pharma ■■ preview sentiment