business cycle

Q1. Cameco Inc., based in Saskatoon, Saskatchewan, is the world’s largest energy producer in its sector, producing almost 29% of the world’s supply. It has experienced exceptional growth during the past five years, with revenue increasing on average by 21% per year and net earnings increasing by 46%. This period of expansion followed a protracted period of negative demand growth for its products. Identify the type of industry Cameco Inc. is most likely operating in.

老师您好，这道题是csi 官网上csc chp13的一道题，请问这道题为什么说这个公司是cyclical industry而不是speculative industry，这道题上面举的例子是说energy development属于speculative industry。 谢谢老师