UNP stock has witnessed gains of 15% from levels of $210 in early January 2021 to around $245 now, while PM stock has witnessed gains of 20% from $85 to $100 over the same period. In comparison, the S&P 500 has seen a 40% rise over this roughly three-year period. However, the increase in these stocks has been far from consistent. Returns for UNP stock were 21% in 2021, -18% in 2022, and 19% in 2023, while that for PM were 15%, 7%, and -7% over the same period, respectively. In comparison, returns for the S& ...