Mumbai, Sept. 29 -- Tube Investments of India Ltd dropped for a fifth straight session today. The stock is quoting at Rs 3116, down 0.42% on the day as on 13:19 IST on the NSE. The benchmark NIFTY is up around 0.07% on the day, quoting at 24671.3. The Sensex is at 80486.03, up 0.07%.Tube Investments of India Ltd has lost around 0.79% in last one month.Meanwhile, Nifty Auto index of which Tube Investments of India Ltd is a constituent, has increased around 3.37% in last one month and is currently quoting at 26484.55, up 0.15% on the day. The volume in the stock stood at 75421 shares today, compared to the daily average of 4.04 lakh shares in last one month. The benchmark September futures contract for the stock is quoting at Rs 3117.4, dow...