1, the social maintenance stock index is subscribed and held by the National Social Security Fund; This behavior is the investment behavior of the national social security fund; Such stocks are generally blue-chip stocks with good growth;

2. Insurance shares generally mean that commercial insurance companies will invest in stocks with a certain premium as capital after collecting premiums; This kind of investment behavior is the investment behavior of individual commercial insurance companies, and the preference for risk is completely determined by the company itself, which is very different from social security shareholding.