shares of plug power inc plug sank 099 to 2612 tuesday on what proved to be an allaround mixed trading session for the stock market with the nasdaq composite index comp remaining mostly unchanged at 1238130 and the dow jones industrial average djia falling 047 to 3290959 this was the stocks sixth consecutive day of losses plug power inc closed 2038 below its 52week high 4650 which the company achieved on november 22nd the stock underperformed when compared to some of its competitors tuesday as ballard power systems inc bldp rose 137 to 738 methanex corp meoh rose 579 to 3944 and enviva inc eva fell 014 to 6990 trading volume 144 m remained 77 million below its 50day average volume of 220 m 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