2018 was not a good year for Cloud Peak Energy, one of the largest U.S. coal companies that employs 1,300 people with two mines in Wyoming. It sold 15 percent less coal, Asian markets had plummeted for the resource, and the value of its stock fell by half. All that happened by October. That month, executives held a call with stock analysts. In the recording, Cloud Peak CEO Colin Marshall focused the conversation on weather challenges.