Tentative signs of stability in home prices in early 2012 have yet to spur a rebound in home-equity lending, as the outstanding balance of second mortgages fell to its lowest level in seven years. According to the Federal Reserve, the supply of home-equity loans fell 2.7 percent in the first quarter of 2012 to just $849.5 billion. The home-equity market, which includes home-equity lines of credit and closed-end second mortgages, has shrunk by 24.9 percent since peaking...(Includes three data charts)