The shoe company has a world-class brand, but its recent struggles have left it stagnant.Nike (NKE 1.58%) has spent decades building one of the most recognizable brands globally. It's one of the leading sneaker and apparel companies and has worked its way to a market capitalization of over $130 billion. Unfortunately for Nike and its shareholders, though, its market cap was once over $280 billion.Nike has had its fair share of struggles over the past few years, that's for sure. But that doesn't mean all hop ...