Mumbai, March 18 -- Mastek Ltd, Morepen Laboratories Ltd, Ratnamani Metals & Tubes Ltd and Kirloskar Oil Engines Ltd are among the other gainers in the BSE's 'A' group today, 18 March 2025.Jyoti Structures Ltd soared 16.76% to Rs 18.39 at 11:48 IST. The stock was the biggest gainer in the BSE's 'A' group. On the BSE, 19.24 lakh shares were traded on the counter so far as against the average daily volumes of 17.65 lakh shares in the past one month. Mastek Ltd spiked 14.56% to Rs 2420.55. The stock was the second biggest gainer in 'A' group. On the BSE, 35127 shares were traded on the counter so far as against the average daily volumes of 7453 shares in the past one month. Morepen Laboratories Ltd surged 11.21% to Rs 47.6. The stock was the...