Cement companies allegedly shared details relating to prices, capacity utilization, production and dispatch which led to restricted production and supplies in the market hurting consumers and the economy, the order said.
Among the companies that received maximum fines, Ambuja Cements was fined Rs 1,160 crore, ACC was fined Rs 1,150 crore, UltraTech Cement Rs 1,180 crore and Jaiprakash Associates Rs 1,320 crore.
As of 10.25 a.m., ACC traded 1.5 per cent lower at Rs 1,683.50. The stock was the top Nifty loser. Ambuja Cements shares were down 1.15 per cent at Rs 274.75, while UltraTech recovered from the day's low and traded 0.14 per cent higher.