Ruffling feathers Wingstop went public in February, and has experienced the typical volatility associated with newly IPO'd stocks, but it's also had to contend with higher-than-normal commodity costs in its central ingredient, chicken wings. Wingstop's smaller footprint also insulates it from the costs imposed by wage inflation, a factor Buffalo Wild Wings notes will impact results going forward. Family-sized orders of chicken wings have helped propel Wingstop's growth.