From plans to argue a recent motion to dismiss a case to appeals and new lawsuits on the radar, investors in Fannie Mae and Freddie Mac stock are continuing to challenge government officials in their quest to prove that the conservatorship and the Treasury sweep were illegal. Last week, the Federal Housing Finance Agency filed a motion to dismiss a case that was filed by two GSE shareholders in Delaware this summer who argued that the Treasury sweep, which takes the bulk of the government-sponsored enterprises’ profits, is illegal under state law. The complaint stated that with Fannie chartered under Delaware law and Freddie under Virginia’s jurisdiction, the preferred stock of a...