The U.S. bond market is flashing warning signs about economic growth after December's retail sales came in flat, missing expectations for a 0.4% gain. The disappointing data triggered a rally in government debt, with the benchmark 10-year yield BX:TMUBMUSD10Y falling 5.3 basis points to 4.14%, its lowest level in nearly four weeks. This marks a sharp reversal from January's optimism.

Traders are recalibrating their expectations for interest rates and inflation, with fed-funds futures now pricing in a 19.6% chance of a quarter-point rate cut by the Federal Reserve next month. The market is also factoring in higher odds of three or four total rate cuts by year-end, exceeding what Fed officials have indicated. Infrastructure Capital Advisors CEO Jay Hatfield noted that fears of an overheating economy were "totally misplaced" given the recent data.

The Atlanta Fed's GDPNOW estimate dropped to 3.7% from 4.2% following the retail sales report, suggesting growth may be slowing faster than anticipated. European bond markets also extended their rallies, reflecting concerns that U.S. weakness could signal broader global economic challenges. With inflation expectations moderating, analysts like Hatfield predict the 10-year yield could fall "well below 4%" in coming months.