Treasury yields are trapped in a range with little escape in sight. But a composite measure melding prices for copper and gold suggests the 10-year benchmark Treasury yield should burst through its tight trading band to the upside and return to peaks last seen in December when President Donald Trump’s pro-growth agenda stoked expectations for a jump in U.S. growth and inflation. Recently, the correlation between government borrowing costs and the composite ratio has decoupled, with the copper-to-gold indicator grinding higher even as the 10-year Treasury note’s yield has plodded along between a range of 2.10% and ... (full story)