NEW YORK CITY-Jefferies Group is all set to sign a lease extension for a roughly 600,000-square-foot space at 520 Madison Avenue, where the investment firm houses its world headquarters. The expected lease period is 10 or more years and the transaction is slated for signing and completion by January 2013. Cushman & Wakefield is the brokerage firm representing the tenant in the deal.

Tishman Speyer is the owner of the 43-story midtown building spanning one million square feet. For the full story, go to Crain’s New York Business . News Hub is your link to relevant real estate and business stories from other local, regional and national publications.