KEY POINTS
  • The pizza chain's stock has fallen 17 percent since its founder admitted to using a racially charged slur on a conference call.
  • Investors will be keen to see if Papa John's updates it same-store sales forecasts, which it reiterated last quarter.
Signage is displayed outside a Papa John's International pizza restaurant in Louisville, Kentucky.

It didn't take long for Papa John's shares to tank and the finger pointing to begin.

The company's shares plummeted by almost 12 percent in aftermarket trading Tuesday after the pizza chain released second-quarter earnings that missed nearly every key estimate tracked by Wall Street — profit, revenue, same-store sales — and said its pizza sales would be significantly worse than previously forecast.