shares of power grid corp of india ltd 532898 inched down 053 to 25230 indian rupees wednesday on what proved to be an allaround grim trading session for the stock market with the sp bse sensex index 1 falling 034 to 6539390 power grid corp of india ltd closed 1135 rupees below its 52week high 26365 rupees which the company achieved on july 6 the stock underperformed when compared to some of its competitors wednesday as tata power co ltd tatapower rose 035 to 22630 rupees and gujarat industries power co ltd 517300 rose 098 to 11380 rupees trading volume 106827 remained 175670 below its 50day average volume of 282497 editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use