Worst nightmare for central banks—creates dilemma with prices moving opposite to growth. Typically would look through near-term price increases. Longer it goes, harder to ignore given 5 years of above-target inflation. Sees greater likelihood of hikes in UK than US due to stickier inflation. For Fed, came in expecting two H2 cuts; negative progression could remove those. Shifting to hikes more challenging for Fed, easier for ECB/BoE.