WARSAW-Helmut Jahn is the architect of the 274-unit tower Twarda 2/4. The project includes 77,000 square feet of retail and office on the ground floor.

NEW YORK CITY-SL Green Realty Corp. reports it will sell ownership interests in two major Manhattan office buildings for approximately $663 million and will spend $330 million to purchase 125 Park Ave. from Shorenstein Properties LLC.

As spring unfolds, key areas of the net lease market such as retail, sale leasebacks and urban investments seem set to grow. Numbers and analysis from the first quarter of 2010 point to better days and more opportunities ahead.RetailAs of March 2010 consumer spending has increased over the past five months and retail sales have risen the past four. Retail sales in the first quarter 2010 are up 1.9% over the previous quarter and up…

NEW YORK CITY-The 2.1-million-square-foot tower's owners are reportedly seeking a 10-year loan; spokesmen for Durst and BofA decline to comment.