penny stocks10 Biggest Penny Stock Gainers of August 2017 Show Gains of 49.2% in One Week August 7, 2017 by Alex McGuire Today, we've compiled a list of the biggest penny stock gainers of August 2017 so far. The list ranks the top 10 performers, one of which has seen gains of 49.2% over just five sessions. Here's the list - plus, our newest small-cap recommendation that could hand you a minimum 18.2% return...