Canadian online gambling operator Amaya Gaming has withdrawn its StarsDraft daily fantasy sports operation from all but four US states, citing regulatory developments. On Monday, Amaya issued a statement saying StarsDraft would restrict its real-money DFS contests to US customers located in New Jersey, Massachusetts, Kansas and Maryland, the four states Amaya says have “favorable existing daily fantasy sports guidance.” The move follows StarsDraft’s recent exits from both Florida and Nevada, which were prompted by a federal grand jury investigation and state regulators declaring that DFS operators needed gambling licenses, respectively. Amaya says the exit wouldn’t have a negative financial...