Mumbai, Oct. 30 -- Trent Ltd, Zydus Lifesciences Ltd, Shaily Engineering Plastics Ltd and Laurus Labs Ltd are among the other gainers in the BSE's 'A' group today, 30 October 2026.Greaves Cotton Ltd soared 8.10% to Rs 202.75 at 11:45 IST. The stock was the biggest gainer in the BSE's 'A' group. On the BSE, 4.17 lakh shares were traded on the counter so far as against the average daily volumes of 67015 shares in the past one month. Trent Ltd surged 6.14% to Rs 3041.85. The stock was the second biggest gainer in 'A' group. On the BSE, 2.43 lakh shares were traded on the counter so far as against the average daily volumes of 72203 shares in the past one month. Zydus Lifesciences Ltd spiked 5.14% to Rs 1247. The stock was the third biggest ga...