Mumbai, Dec. 5 -- Hindustan Construction Company Ltd, NIIT Learning Systems Ltd, Sanghvi Movers Ltd and MTAR Technologies Ltd are among the other losers in the BSE's 'A' group today, 05 December 2025.Kaynes Technology India Ltd tumbled 10.60% to Rs 4450.65 at 14:46 IST.The stock was the biggest loser in the BSE's 'A' group.On the BSE, 4.5 lakh shares were traded on the counter so far as against the average daily volumes of 79121 shares in the past one month.Hindustan Construction Company Ltd lost 9.47% to Rs 19.8. The stock was the second biggest loser in 'A' group.On the BSE, 66.1 lakh shares were traded on the counter so far as against the average daily volumes of 26.18 lakh shares in the past one month.NIIT Learning Systems Ltd crashed...