IV.If you view yourself as an investor rather than a speculator, keep away from those cyclical companies without or losing pricing power and cost transferable ability.

• 一些产品或服务价格随原材料价格剧烈波动而企业暂时没有定价权或者成本转嫁能力的企业，自认为投资者而非投机者的股友最好敬而远之。