在一些股票基金中提到的老鼠仓是什么意思?

What meaning is the mice storehouse that mentions in fund of of a few stocks?

构建老鼠仓、做仓机构投资者和其他普通投资者的市场交易模型。

The rat trade not only changes the institutional investor's utility, but also deepens the information asymmetry among investors.