A leading firm in the secretive world of high-speed trading hit back on Monday after it was accused of defrauding investors by Todd Snyder, the man charged with leading Terraform Labs through bankruptcy. In a December lawsuit, Snyder accused Chicago-based Jump Trading, several of its subsidiaries, and two of its executives of market manipulation, defrauding investors, self-dealing, and more. Now, Jump says the lawsuit is a “transparent attempt” to dodge a $4.4 billion fine levied by the Securities and E ...