In the latest Market on Close livestream, viewer Richard asked a sharp question: “ITB — the construction index — appears to be the first leg to drop, showing weakness in the overall economy. Is this just a retracement or a sign of things to come?” John Rowland, CMT, didn’t hesitate to widen the lens by citing two classic barometers of global growth: copper and crude oil. “If Dr. Copper is the measuring stick for economic activity,” John explained, “then crude oil is the canary in the coal mine for rece ...