Mumbai, Nov. 12 -- Punjab National Bank is up for a third straight session today. The stock is quoting at Rs 141.49, up 2.17% on the day as on 12:49 IST on the NSE. The benchmark NIFTY is up around 0.03% on the day, quoting at 25262.5. The Sensex is at 81935.47, up 0.07%. Punjab National Bank has gained around 21.4% in last one month. Meanwhile, Nifty Bank index of which Punjab National Bank is a constituent, has gained around 10.5% in last one month and is currently quoting at 60792.4, up 0.85% on the day. The volume in the stock stood at 325.44 lakh shares today, compared to the daily average of 266.59 lakh shares in last one month. The benchmark November futures contract for the stock is quoting at Rs 142.4, up 3.15% on the day. Punjab...