Office and multifamily markets show signs of growth.
Ventas transaction will create largest health care REIT in the U.S.
Company has made $1.3 billion in investments in 2011.
Fourth quarter of 2010 shows positive developments.
Fundamental indexing extended to REITs.
Many sectors headed toward recovery.
Reinvented malls and department stores emerge from recession.
Loan prices fall amid higher interest rates in December.
Would cut government role in housing finance.
Apartment market tightening, survey shows.