PPR's Nordby says REITs' strong performance should endure.
Commercial real estate transactions up globally, but not uniformly.
Commercial property markets appear to be stabilizing, index reveals.
Ratings agency says REITs in solid shape.
Cornerstone Advisers' Marjanovic says some risks do exist for REITs in current economic environment.
CPPI data show CRE pricing at lowest point in recession.
Brad Case writes about the 'one-third' rule for real estate allocations.
Firm's technology aims to enhance wireless signals inside buildings.
Green Street Advisors index shows increases despite low transaction activity.