According to a Foresight News report citing Bloomberg, Citadel Securities has filed a lawsuit in London seeking more than £6 million in damages—about $7.9 million—from Leonard Lancia, the former European head of systematic market-making for its derivatives system, and a co-founder of the high-frequency crypto trading firm Portofino Technologies. Citadel Securities accuses Leonard Lancia and his colleagues of beginning plans to start their company while they were still employed, and of winning in a related labor arbitration to obtain damages and support for litigation costs. In addition, in 2023 Citadel Securities ... (full story)