Schneider Electric Infrastructure Ltd, KEI Industries Ltd, Nucleus Software Exports Ltd and GMM Pfaudler Ltd are among the other gainers in the BSE's 'A' group today, 18 May 2021. Schneider Electric Infrastructure Ltd, KEI Industries Ltd, Nucleus Software Exports Ltd and GMM Pfaudler Ltd are among the other gainers in the BSE's 'A' group today, 18 May 2021. Patel Engineering Ltd spiked 11.17% to Rs 15.43 at 11:49 IST. The stock was the biggest gainer in the BSE's 'A' group. On the BSE, 1.36 lakh shares were traded on the counter so far as against the average daily volumes of 59317 shares in the past one month. Schneider Electric Infrastructure Ltd soared 10.58% to Rs 108.2. The stock was the second biggest gainer in 'A' group. On the BSE, 3.29 lakh shares were traded on the counter so far as against the average daily volumes of 62169 shares in the past one month.