Mumbai, May 30 -- Signpost India Ltd, Jagran Prakashan Ltd, Nagreeka Exports Ltd and Mazda Ltd are among the other losers in the BSE's 'B' group today, 30 May 2025.Kiri Industries Ltd crashed 8.71% to Rs 663.7 at 14:31 IST.The stock was the biggest loser in the BSE's 'B' group.On the BSE, 3.36 lakh shares were traded on the counter so far as against the average daily volumes of 52080 shares in the past one month.Signpost India Ltd tumbled 8.17% to Rs 200.2. The stock was the second biggest loser in 'B' group.On the BSE, 20589 shares were traded on the counter so far as against the average daily volumes of 3562 shares in the past one month.Jagran Prakashan Ltd lost 7.93% to Rs 76.55. The stock was the third biggest loser in 'B' group.On th...