Lorie Logan, president of Dallas Fed, expressed worry about uncertainty surrounding the exact level of neutral rate of interest and hinted at the risk that the Federal Reserve's policy rate might already near the point which further rate may starts to fuel inflation again

Federal Reserve decided to cut rate by an supersized 0.5 percentage point. The decision finally ended the weeks-long market debate of whether the central bank would cut 25 or 50 basis points. One important thing, though, didn't reach the headline: The Fed has never been this "confused" about where the natural rate should be.