Ballard Power Systems Shares Soar On Volkswagen Patent Deal By: Benzinga via Benzinga February 11, 2015 at 12:02 PM EST Ballard Power Systems Inc. (USA) (NASDAQ: BLDP) signed an $80 million deal to sell a fuel-cell patent portfolio to Volkswagen AG (ADR) ... Read More >> Related Stocks: Ballard Power Sys Volkswagen A G ADR