Based on the face-value interpretation of unusual stock options volume against discount retailer Five Below (FIVE), one may be tempted to jump ship. Following a disappointing financial disclosure, FIVE stock ended up losing over 14% of equity value in the business week ending June 7. But is that really the end of the story? If we explore the fundamentals and the financial history of Five Below, the severe bout of red ink would suggest that – at least for the contrarian bulls – FIVE stock offers a possible upside opportunity. Granted, it’s risky: no one’s saying that it’s not. However, relevant…