SPARC Share Price Tumbles 20% as Sun Pharma’s Arm Halts Development of Psoriasis Drug SPARC Share Price Tumbles 20% as Sun Pharma’s Arm Halts Development of Psoriasis Drug By Gautam Kalal on June 4, 2025 11:20 am Sparc Share Price: Shares of Sun Pharma Advanced Research Company (Sparc), The Research Division of India’s Top Pharmaceutical Firm Sun Pharma, Fell by 20% on…