Mumbai, Sept. 21 -- Fedders Holding Ltd, S V Global Mill Ltd, Polyspin Exports Ltd and Jash Engineering Ltd are among the other gainers in the BSE's 'B' group today, 21 September 2026.Sree Rayalaseema Hi-Strength Hypo Ltd surged 16.60% to Rs 609.65 at 21-Sep-2026 EOD IST. The stock was the biggest gainer in the BSE's 'B' group. On the BSE, 6372 shares were traded on the counter so far as against the average daily volumes of 1362 shares in the past one month. Fedders Holding Ltd soared 15.67% to Rs 61.27. The stock was the second biggest gainer in 'B' group. On the BSE, 5.69 lakh shares were traded on the counter so far as against the average daily volumes of 99027 shares in the past one month. S V Global Mill Ltd spiked 13.86% to Rs 168.4...