Mumbai, June 11 -- Glenmark Pharmaceuticals Ltd gained for a fifth straight session today. The stock is quoting at Rs 1631.4, up 0.98% on the day as on 12:44 IST on the NSE. The benchmark NIFTY is up around 0.38% on the day, quoting at 25199.55. The Sensex is at 82711.36, up 0.39%. Glenmark Pharmaceuticals Ltd has risen around 18.07% in last one month. Meanwhile, Nifty Pharma index of which Glenmark Pharmaceuticals Ltd is a constituent, has risen around 4.47% in last one month and is currently quoting at 21948, up 0.45% on the day. The volume in the stock stood at 3.64 lakh shares today, compared to the daily average of 9.49 lakh shares in last one month. The benchmark June futures contract for the stock is quoting at Rs 1637.3, up 1.11% ...