Canadian National Railway Company (NYSE:CNI) is included among the Best Retirement Stocks for a Dividend Stock Portfolio. How Canadian National Railway Company (CNI) Strengthens a Long-Term Dividend Stock Portfolio Image by Alexsander-777 from Pixabay Canadian National Railway Company (NYSE:CNI) is engaged in the rail and related transportation business. The stock has fallen 20% over the past year, pressured by strikes, wildfires, and rising costs that weighed on profits in 2024, even though revenue saw ...