penny stocksHow the Top Penny Stock of September 2017 Has Surged 117.2% in 1 Week September 11, 2017 by Alex McGuire The top penny stock of September 2017 has seen an incredible triple-digit gain already. Shares of this stock are up 117.2% in just the first six sessions of the month alone. Here's why this stock has exploded - plus, the nine other top performers of September so far...