Adidas has been lumped with more than a billion dollars of Yeezy stock that it may have to write off, having ended its relationship with rapper Ye, formerly known as Kanye West. The sportswear brand cut ties with the designer and musician following offensive and anti-semitic marks he made last year. At the time, Adidas estimated the move would cost the brand $246 million but said it would “not tolerate” antisemitism or hate speech. Now that figure has risen substantially. Despite immediately closing down production of Yeezy products—and axing any financial links with Ye’s other businesses—Adidas has got vast volumes...