Citadel Securities is suing two former employees after they left to form a cryptocurrency market-making firm. One of the world’s largest market makers claims that Leonard Lancia and Alex Casimo started raising capital and building the trading firm Portofino Technologies, while still working at Citadel, with access to proprietary information, according to Bloomberg News.... Read More: Citadel Securities Suing Two Former Employees After They Left To Form a Crypto Firm