The Eleventh Circuit rejected jurisdictional and relevance challenges to SEC subpoenas in SEC v. Marin, 982 F.3d 1341 (11th Cir. 2020). The SEC issued subpoenas to Carla Marin and MinTrade Technologies pursuant to a formal order of investigation (“FOI”) authorizing the Commission to investigate whether a Tampa-based limited liability company called Traders Café, and its…