Mumbai, July 17 -- Vedanta Ltd dropped for a fifth straight session today. The stock is quoting at Rs 251.7, down 2.4% on the day as on 13:19 IST on the NSE. The benchmark NIFTY is up around 0.83% on the day, quoting at 24273.6. The Sensex is at 77983.71, up 1.03%.Vedanta Ltd has lost around 17.75% in last one month.Meanwhile, Nifty Metal index of which Vedanta Ltd is a constituent, has eased around 4.77% in last one month and is currently quoting at 12495.9, down 0.84% on the day. The volume in the stock stood at 111.57 lakh shares today, compared to the daily average of 256.23 lakh shares in last one month. The benchmark July futures contract for the stock is quoting at Rs 251.85, down 2.7% on the day. Vedanta Ltd jumped 50.87% in last ...