
The iShares U.S. Home Construction ETF (ITB) is currently trapped in a stock-price rut. The fundamental math suggests the sector should be soaring: The United States faces a structural shortage of roughly 3 million to 4 million homes, and mortgage rates have finally dipped below the psychologically significant 6% threshold. Yet, the exchange-traded fund (ETF) is exhibiting a directionless, heavy behavior that has left many traders scratching their heads.