A warrant, also known as a share warrant or a warrant, is a contract that gives the holder of the document the right to purchase shares from the issuer at an agreed price for a certain period of time, which is a certificate of entitlement.
Since the late 1980s, in an increasingly stimulating international competitive environment, large mainstream international banks have consolidated their core businesses through targeted divestiture, outsourcing of non core businesses, and continuous expansion and mergers and acquisitions. Their business strategic positioning has changed from extensive all-round and diversified expansion to selective development of core businesses.
National debt, also known as national public debt, is the relationship between the creditor's rights and the debtor's rights formed by the state, based on its credit and according to the general principle of debt, by raising funds from the society.