According to Caixin, Susquehanna International Group (SIG) and Citadel Securities have narrowed the scope of an insider trading lawsuit involving Futu Holdings and Tiger Brokers to 45 individuals, accusing them of illegally profiting approximately $155 million through options trading using leaked Chinese regulatory information. The case focuses on the large-scale put options trades that occurred before Chinese regulators announced penalties on the cross-border operations of the two brokerages on May 22. https://(wublock123.com)/news/news-66420