Too many shareholders emotionally overreacted to the inevitable sales-growth slowdown. Here's your chance to capitalize on their mistake. There's no getting around the fact that Celsius (CELH -2.64%) stock has been tough to own for the past several weeks. Share prices are down a hefty 64% from May's peak -- and for good reason as sales growth is slowing. But that slowdown was to be expected given this up-and-comer's meteoric penetration of its market. And that's the crux of the buying opportunity created by ...