Pending home sales rose in February, as did the share of distressed properties sold, C.A.R. reported Monday. C.A.R.’s Pending Home Sales Index (PHSI) was 112.1 in February, rising 20.6 percent from January’s revised index of 93.0, based on contracts signed in February. The index was down 1.6 percent from February 2010, when the presence of…