Framing lumber trading opened the 20-24 August week with a head of steam following a strong round of purchasing the previous week. However, momentum faded as the week progressed, and prices of most dimension and stud items finished the week at or slightly above midweek levels. A downturn in futures Tuesday through Thursday turned buyers cautious. Warning signs in the U.S. housing market, including a soft new-home sales report for July, concerned traders. Early gains lifted some prices by double digits, and the Framing Lumber Composite Price posted a $10 gain.       ...