Mumbai, Jan. 5 -- Cupid Ltd, Vivimed Labs Ltd, DCM Financial Services Ltd and SKM Egg Products Export (India) Ltd are among the other losers in the BSE's 'B' group today, 05 January 2026.Sai Silks (Kalamandir) Ltd tumbled 11.59% to Rs 134.65 at 14:30 IST.The stock was the biggest loser in the BSE's 'B' group.On the BSE, 2.29 lakh shares were traded on the counter so far as against the average daily volumes of 23961 shares in the past one month.Cupid Ltd crashed 10.12% to Rs 377.45. The stock was the second biggest loser in 'B' group.On the BSE, 60.39 lakh shares were traded on the counter so far as against the average daily volumes of 7.56 lakh shares in the past one month.Vivimed Labs Ltd lost 9.95% to Rs 13.58. The stock was the third b...