Since then, despite strong demand for lumber from the U.S. construction industry, Timber Group shares are off 3% --even as the parent's stock climbed 37% .

FORBES: Trick or Track?

Among the largest underlying components of WOOD, in trading today Rayonier Incorporated ( RYN) is off about 0.1%, and Plum Creek Timber Company Incorporated ( PCL) is lower by about 2%.

FORBES: WOOD, RYN, PCL: Large Outflows Detected at ETF

While the foundations were being dug, a steel-and-timber-framed shell of the house was built off-site.

WSJ: Striking Gold in the Backyard