Securities analysts are professionals who provide investment advice and investment management services by analyzing various types of information and evaluating investment values through the application of advanced expertise and analytical techniques in the field of securities investment. This study aims to support securities analysts by analyzing supply chain data, which is objective information, and analyst reports, which is subjective information, to discover companies that should be focused on in the evaluation of investment value. The network is created from the supply chain data, and the influence maximization problem is solved to discover firms to focus on. The extracted firms are evaluated by comparing them with co-occurrence networks created from analyst reports.
