China Is Said to Expand Stock Selling Restrictions to Insurers

China is expanding its net stock selling ban from major mutual funds to some insurers, another sign that authorities are trying to support the slumping stock market, said people familiar with the matter.

Regulators issued the so-called window guidance to at least two state-owned insurance firms on Monday, telling them to refrain from selling more onshore shares than they purchased, according to the people, who asked not to be identified discussing private information.

This is the first time that these firms have received such guidance, which was commonly given last year but usually only to large mutual funds, the ...