Under Armour CEO loses $2.5 bn in 2 yrs as stock plunged 75%

Sports retailer Under Armour's Founder and CEO Kevin Plank's net worth fell by $2.5 billion as the company's shares tumbled 75% in 2 years. Plank had a peak net worth of $4.2 billion in September 2015, according to Bloomberg. The company, which reported third-quarter earnings on Tuesday, saw its revenue fall for the first time since going public in 2005.