Macy's
Macy’s stock has been hammered even harder than Under Armour’s.

Reuters

Under Armour’s shares have been hammered harder than almost any other retail company this year.

The company’s stock price took a beating Tuesday, falling more than 8%, after it cut full-year sales guidance and reported continuing weakness in North America, its most important market.

Since the beginning of the year, Under Armour’s shares have dropped more than 33%, making it the ninth worst-performing stock in the S&P 500 this year.

Under Armour’s fall from glory has been swift and brutal. It was only two years ago that the company was touted as a top investment pick after notching 26 straight quarters…