The Wall Street Journal provides a picture of Wirecard’s current business, comparing revenue, bank debt, investments and lending over time; the company has recently attracted short sellers and last year surpassed the market value of two of the largest listed banks in Germany; the stock has since fallen 30% since late January after they addressed issues surrounding accounting misconduct in Asia; shares still trade around 25 times prospective earnings and the company has invested heavily in order to drive further expansion since 2015; some are concerned about their ability to continue to grow revenues with some of the risks the business has taken in recent years. Source