On November 20th, there were rumors today that "employees of Phantom Square Quantitative were arrested because they were involved in brokerage rebates", and some employees assisted in the investigation for personal reasons. In this regard, a person from Phantom Square Quantitative told reporters that Li Cheng, the marketing director of Phantom Square Quantitative, is indeed assisting the police in the investigation. But whether it involves rebates, the company does not know. "At present, Mr. Li ...