The Justice Department is investigating claims that unidentified individuals profited handsomely from insider trading. The probe centers on allegations brought forward by Susquehanna International Group, which believes illicit bets were placed on options prior to a significant Chinese regulatory action impacting cross-border brokerages. The alleged illicit gains are estimated to be around $100 million.

This inquiry raises serious questions about market integrity and the potential for sophisticated actors to exploit non-public information. The timing of the alleged trades, just before a substantial regulatory announcement