penny stocksThe 10 Top Penny Stock Gainers of September 2017 September 18, 2017 by Alex McGuire Today, we're showing you the 10 top penny stock gainers of September 2017 so far. Shares of these companies have seen returns ranging from as low as 67.4% to as high as 142.6%. Here's the complete list - plus, one of our stock picks that could profit from the "cashless banking" trend...