Mumbai, Nov. 20 -- Energy Development Company Ltd, Mangalam Drugs and Organics Ltd, DSJ Keep Learning Ltd and Cropster Agro Ltd are among the other losers in the BSE's 'B' group today, 20 November 2025.Magellanic Cloud Ltd lost 20.00% to Rs 53.57 at 14:31 IST.The stock was the biggest loser in the BSE's 'B' group.On the BSE, 11.57 lakh shares were traded on the counter so far as against the average daily volumes of 3.01 lakh shares in the past one month.Energy Development Company Ltd crashed 14.52% to Rs 23.43. The stock was the second biggest loser in 'B' group.On the BSE, 1.72 lakh shares were traded on the counter so far as against the average daily volumes of 47130 shares in the past one month.Mangalam Drugs and Organics Ltd tumbled 1...