Get all the latest news on coronavirus and more delivered daily to your inbox. Sign up here.
The yields on one-month and three-month Treasury bills on Wednesday fell below zero for the first time since 2015.
DOW ROARS HIGHER AFTER $2T CORONAIRUS STIMULUS
The three-month yield fell to minus 0.036%, an all-time low, while the one-month yield fell to minus 0.013% in mid-morning trading.
Short-term yields, which broadly reflect the federal funds rate, have fallen dramatically since the Federal Reserve cut its key interest rate to nearly zero earlier this month to combat the economic effects of the coronavirus pandemic.
GET FOX BUSINESS ON THE GO BY CLICKING HERE
As the disease has roiled financial markets, U.S. government debt has seen yields fall and prices rise as investors have sought safety in high-quality bonds.
Negative rates have been recorded on European and Japanese government bonds for several years.