Michael Porter's framework for competitor analysis points to 4 key indicators of a rivals likely future strategic moves, these are: Group of answer choices EBITDA, ROI, Sales Volume and Annual Revenue recent marketing campaigns, recent hiring of HR professionals, withdrawal of a previous product model, delay in issuing annual report current strategies, future objectives, assumptions about itself and the industry, competitor's capabilities acquisiiton of a new HQ, refreshing the corporate logo, removing staff benefits, undertaking an IPO