mahindra  mahindra ltd 500520 shares dropped 639 to 144685 indian rupees thursday on what proved to be an allaround grim trading session for the stock market with the sp bse sensex index 1 falling 066 to 6626682 mahindra  mahindra ltd closed 14800 rupees below its 52week high 159485 rupees which the company reached on july 13 the stock underperformed when compared to some of its competitors thursday as hero motocorp ltd heromotoco fell 028 to 313695 rupees and ashok leyland ltd ashokley rose 044 to 18190 rupees 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