Mumbai, Dec. 19 -- Laurus Labs Ltd gained for a third straight session today. The stock is quoting at Rs 1033.9, up 1.81% on the day as on 12:49 IST on the NSE. The benchmark NIFTY is up around 0.53% on the day, quoting at 25951.35. The Sensex is at 84911.21, up 0.51%. Laurus Labs Ltd has risen around 4.74% in last one month. Meanwhile, Nifty Pharma index of which Laurus Labs Ltd is a constituent, has risen around 0.3% in last one month and is currently quoting at 22557.6, up 0.27% on the day. The volume in the stock stood at 19.64 lakh shares today, compared to the daily average of 14.12 lakh shares in last one month. The benchmark December futures contract for the stock is quoting at Rs 1035.7, up 1.65% on the day. Laurus Labs Ltd is up...