600715: letter on abnormal fluctuation of Cultural Investment Holdings Co.Ltd(600715) stock trading Cultural Investment Holdings Co.Ltd(600715) : as the controlling shareholder of your company, we hereby explain the abnormal fluctuation of your company’s stock trading as follows: after verification, as of the date of issuing this letter, our company has not found any significant changes in your company’s daily operation and external environment, Our company and related parties do not plan major events involving listed companies, such as major asset restructuring, share issuance, acquisition, debt restructuring, business restructuring, asset divestiture, asset injection, share repurchase, equity incentive, bankruptcy reorganization, major business cooperation, introduction of strategic investors and so on