Mumbai, Aug. 3 -- Siemens Ltd gained for a third straight session today. The stock is quoting at Rs 3887.5, up 3.39% on the day as on 12:49 IST on the NSE. The benchmark NIFTY is up around 0.81% on the day, quoting at 24582.1. The Sensex is at 78714.16, up 0.79%. Siemens Ltd has risen around 8.84% in last one month. Meanwhile, Nifty Energy index of which Siemens Ltd is a constituent, has risen around 1.71% in last one month and is currently quoting at 38729.55, up 0.19% on the day. The volume in the stock stood at 3.66 lakh shares today, compared to the daily average of 3.48 lakh shares in last one month. The benchmark August futures contract for the stock is quoting at Rs 3899.5, up 4.6% on the day. Siemens Ltd is up 29.86% in last one y...