Rails are having a difficult time nowadays. You can point a finger at lower gasoline prices, making shipment by tanker and truck more affordable but I believe you can also point a finger at the GOP and their desire to pass the Kochstone Keystone XL pipeline proposal.
It is what it is; bearish.
Although CP shown here (click chart to enlarge) has not 'broken down' out of a bearish descending triangle, the lower swing high and high volume selling is evident.
I am already short but if it comes back to test upper resistance, you too can get short or purchase puts. Risk and target shown. Long live cheap…