Radian was up 4.34% over its close on Friday, while MGIC Investment Corp. was up 4.08%. Technology stock Ellie Mae was third, up 3.98%.
PennyMac had the biggest loss during the session on a percentage basis, down 3.67%. KB Home was down 1.78%, while Fidelity National Financial was down 1.28%.
Although Hudson City Bancorp was up 0.12%, its trading volume of over 7 million shares was more than twice its average. The company is in the process of merging with MT, but the deal is awaiting regulatory approval.