U.S. Treasury yields tumbled Tuesday as major central banks indicated their openness to easier monetary policy, with the Reserve Bank of Australia cutting interest rates, amid signs of sluggish global economic growth. What are Treasurys doing? The 10-year Treasury yield TMUBMUSD10Y, -2.25% slumped 5.5 basis points to 1.978%, its lowest since Nov. 8 2016. The benchmark maturity marked its biggest daily yield decline in a month. The 30-year bond yield TMUBMUSD30Y, -1.62% declined 4.9 basis points to 2.508%, its lowest since Oct. 2016. It marked its biggest daily drop in around three weeks. The 2-year note rate ... (full story)