Shares of apparel company Lululemon Athletica ( LULU +2.93% ) have been in a tailspin this year, down more than 50% to levels they haven't been at since 2020. It has been one of the worst-performing stocks on the S&P 500 , amid what's generally been a strong year for the index -- it's up nearly 17%.

The sell-off and the troubles surrounding Lululemon have caught the attention of many people, including its founder and previous CEO, Chip Wilson. He doesn't seem all that surprised by its challenges, as he doesn't appear to be convinced that the business is going in the right direction.

Has Lululemon lost its appeal?

Wilson founded Lululemon in 1998, but he hasn't been part of the company for years; he resigned from the board of directors back in 2015. And while the business has

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