Financial stocks have turned in some of the best fourth-quarter earnings results among Spotlight components. Cardinal Financial (CFNL), Popular (BPOP), Nationstar Mortgage (NSM), Piper Jaffray (PJC) and Ocwen Financial (OCN) reported earnings increases of 54% to 710%, dwarfing most companies in IBD's Spotlight screen. Except for Cardinal, the gains came against low year-ago comparisons as the sector mends from the 2008 financial crisis. The