Legal analysis: If couples use their parents' accounts to buy stocks, it is generally believed that these stocks and stock proceeds are the property of their parents and have nothing to do with them. When a husband and wife divorce, the shares and investment income of both parties cannot be divided.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 1062 The following property acquired by a husband and wife during the marriage relationship is the common property of the husband and wife, which is jointly owned by the husband and wife: (1) wages, bonuses and remuneration for labor services; (2) Income from production, operation and investment; (3) Income from intellectual property rights; (4) Inherited or donated property, except as provided for in Item 3 of Article 1063 of this Law; (5) Other property that should be jointly owned. Husband and wife have equal rights to dispose of common property.

Article 1063 The following property is the personal property of one spouse: (1) the property of one spouse before marriage; (2) Compensation or compensation obtained by one party for personal injury; (3) Property that is determined to belong to only one party in the will or gift contract; (4) Daily necessities used exclusively by one party; (five) other property that should be owned by one party.