One of these stocks hasn't performed well in 2025, leading to a magnificent opportunity for the year ahead.The premise of only picking a single stock from a small group of options obviously doesn't apply in the real world. You can buy any stock (or as many stocks as) you want to at any given time.Nevertheless, this sort of thought exercise has value. Not only does it require you to weigh a company's own pros against its own cons, but it also forces you to compare one potential investment to another. This ca ...