Zillow (Z +10.2%) and (to a lesser extent) Trulia (TRLA +3.9%) are posting big gains...

|About: Zillow Group, Inc. (Z)|By:, SA News Editor

Zillow (Z +10.2%) and (to a lesser extent) Trulia (TRLA +3.9%) are posting big gains today.  Fannie Mae's December housing survey data could be giving the real estate sites a lift. And in Zillow's case, it's hard to overlook the fact over half its float was shorted as of Dec. 14.