Ballard Power Systems (NASDAQ:BLDP – Get Free Report) (TSE:BLD) had its price objective reduced by research analysts at Citigroup from $4.50 to $3.50 in a research note issued to investors on Tuesday, BayStreet.CA reports. The firm currently has a “neutral” rating on the technology company’s stock. Citigroup’s target price indicates a potential upside of 13.64% […]