Sensex plunges over 400 points as rupee hits lifetime low of 72.50; Nifty below 11,500. Sensex plunges over 400 points as rupee hits lifetime low of 72.50; Nifty below 11,500. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related September 10, 2018 by vdc VIJAYCHOWK.COM