A near doubling in Under Armour's stock price over the past year helped drive CEO Kevin Plank past Ravens owner Steve Bisciotti in the Forbes 400 list of the richest Americans.
Plank is worth $3 billion, according to the financial magazine, up from $1.7 billion a year ago. He has climbed from No. 345 to No. 327 to No. 190 over the past three years.
Bisciotti, whose wealth comes both from the Ravens and the staffing firm Allegis Group, is worth $2.6 billion, ranking No. 235 on the list. His wealth also grew over the past year, from $2.1 billion and No. 260 on last year's list.
A strong stock market has helped the top tier of America's wealthy to get even richer, according...