Some kind of penny stock … like Ardelyx, Inc. (NASDAQ:ARDX) : a Waltham, Massachusetts-based biotech company founded in 2007. The company has the distinction of developing and commercializing the first-in-class therapeutic for the treatment of irritable bowel syndrome. Furthermore, the company has therapeutics for the treatment of hyperphosphatemia, hyperkalemia, and metabolic acidosis in the pipeline.link