Mumbai, April 29 -- Union Bank of India fell for a fifth straight session today. The stock is quoting at Rs 170.05, down 0.25% on the day as on 13:19 IST on the NSE. The benchmark NIFTY is up around 1.36% on the day, quoting at 24320.85. The Sensex is at 77922.32, up 1.35%.Union Bank of India has gained around 3.56% in last one month.Meanwhile, Nifty Bank index of which Union Bank of India is a constituent, has increased around 11.53% in last one month and is currently quoting at 55400.35, up 1.22% on the day. The volume in the stock stood at 109.5 lakh shares today, compared to the daily average of 203 lakh shares in last one month. The benchmark May futures contract for the stock is quoting at Rs 170.8, down 0.5% on the day. Union Bank ...