Buffalo Wild Wings explodes higher after raising its earnings forecast (BWLD)

Buffalo Wild Wings raised its full-year forecast for adjusted earnings per share, sending its stock flying in extended trading. 
The company had faced "historically high" chicken-wing costs, but killed one of its most popular promos to save costs. 
 
Buffalo Wild Wings shares on Wednesday surged nearly 22% in extended trading after the company raised its forecast for full-year earnings.  
The restaurant chain forecast adjusted earnings per share of $4.85 to $5.15,