Mumbai, Sept. 16 -- PNC Infratech Ltd, Hatsun Agro Product Ltd, Premier Energies Ltd and Azad Engineering Ltd are among the other losers in the BSE's 'A' group today, 16 September 2026.KRN Heat Exchanger and Refrigeration Ltd crashed 5.00% to Rs 1440.2 at 14:39 IST.The stock was the biggest loser in the BSE's 'A' group.On the BSE, 22709 shares were traded on the counter so far as against the average daily volumes of 21186 shares in the past one month.PNC Infratech Ltd lost 4.99% to Rs 133.4. The stock was the second biggest loser in 'A' group.On the BSE, 9.31 lakh shares were traded on the counter so far as against the average daily volumes of 65939 shares in the past one month.Hatsun Agro Product Ltd tumbled 4.64% to Rs 1214.55. The stoc...