Sunshield Chemicals, a micro-cap specialty chemical firm, hit a 20% upper circuit to ₹926.15 after strong Q1 FY26 results. Net profit rose 70% YoY to ₹6.82 crore, while revenue jumped 46% to ₹113.88 crore. The company makes and exports surfactants, antioxidants, and additives for various global industries.