Nike Sports a Pricey Valuation – Wall Street Journal

At least they didn’t supply American Pharoah’s horseshoes.

It has been a trying month for Nike Inc. as rival Under Armour Inc. “won” two major sporting events: Stephen Curry and his Golden State Warriors triumphed in the NBA championship over Nike star LeBron James, while in the U.S. Open Under Armour’s Jordan Spieth prevailed over Rory McIlroy.

Sponsoring athletes doesn’t come cheap, and this is a big part of the $2.4 billion…