On the MoveBallard Power Systems among industrial gainers; Energy Recovery only loserSep. 13, 2019 1:01 PM ETBLDP, HOV, NNBR, ERII, WTTR, PSNBy: Akanksha Bakshi, SA News Editor9 Comments Gainers: Nuverra Environmental Solutions (NYSEMKT:NES) +8%. Ballard Power Systems (NASDAQ:BLDP) +6%. NN (NASDAQ:NNBR) +6%. Parsons (NYSE:PSN) +6%. Hovnanian Enterprises (NYSE:HOV) +5%. Losers: Energy Recovery (NASDAQ:ERII) -8%. Recommended For YouTrending AnalysisTrending News