Mumbai, Oct. 27 -- Vodafone Idea Ltd, Firstsource Solutions Ltd, eClerx Services Ltd and Waaree Renewable Technologies Ltd are among the other gainers in the BSE's 'A' group today, 27 October 2025.Hatsun Agro Product Ltd spiked 15.94% to Rs 1044.8 at 11:47 IST. The stock was the biggest gainer in the BSE's 'A' group. On the BSE, 6807 shares were traded on the counter so far as against the average daily volumes of 2025 shares in the past one month. Vodafone Idea Ltd soared 8.94% to Rs 10.48. The stock was the second biggest gainer in 'A' group. On the BSE, 1064.17 lakh shares were traded on the counter so far as against the average daily volumes of 696.53 lakh shares in the past one month. Firstsource Solutions Ltd surged 7.71% to Rs 351.9...