为了支持上市公司通过重组提高资产质量，维护投资者的合法权益，中国证监会日前对上市公司重大购买或出售资产行为制定了新的规范。 　　证监会在一则通知中规定，“上市公司重大购买或出售资产的行为”，是指购买、出售或置换资产达到下列标准之一的情形：收购或出售的资产总 In order to support the listed companies to improve asset quality through restructuring and safeguard the legitimate rights and interests of investors, the CSRC has recently formulated new norms for major purchases or sales of assets by listed companies. In a circular, the Commission provided that “a listed company materially purchases or disposes of assets” refers to the circumstances in which an asset is acquired, disposed of or replaced by one of the following criteria: Total assets acquired or disposed of