Mumbai, June 9 -- Avantel Ltd, SEPC Ltd, Cochin Shipyard Ltd and Data Patterns (India) Ltd are among the other losers in the BSE's 'A' group today, 09 June 2025.Orient Cement Ltd tumbled 8.96% to Rs 322.45 at 14:46 IST.The stock was the biggest loser in the BSE's 'A' group.On the BSE, 1.02 lakh shares were traded on the counter so far as against the average daily volumes of 21110 shares in the past one month.Avantel Ltd lost 7.18% to Rs 159. The stock was the second biggest loser in 'A' group.On the BSE, 8.59 lakh shares were traded on the counter so far as against the average daily volumes of 8.46 lakh shares in the past one month.SEPC Ltd crashed 6.05% to Rs 13.67. The stock was the third biggest loser in 'A' group.On the BSE, 20.44 lak...