The government's efforts to auction off more debt met with modest response Monday as investors bought $44 billion in two-year notes.

A deep-seated anxiety about how soon the Federal Reserve will raise rates has caused the widest chasm between short- and long-dated Treasury yields in 20 years.

Short-dated U.S. Treasurys rallied on Friday, sending two-year yields to 11-month lows, as investors sought the safety of government bonds on fears that this year's stock market recovery had finally come to end.

U.S. Treasury debt prices moved higher Thursday, as a sell-off on Wall Street fueled a safety bid for bonds, reviving their recent winning streak.

Ambac Financial said on Wednesday that the statutory capital of its main unit was well above a regulatory minimum at the end of the third quarter, easing concerns that the company would fall short of funds and be at risk of being taken over by state officials.

U.S. Treasury debt prices eased Wednesday as unexpectedly strong inflation data encouraged a bout of profit-taking, though persistent signs of weakness in the housing sector limited the losses.

U.S. Treasury debt prices edged higher Tuesday, pushing 30-year yields to two-week lows as a pullback in the recent stock market rally gave safe-haven bonds a slight boost.

The Federal Reserve may rely principally on a largely untested monetary policy tool when the time comes to raise borrowing costs.

U.S. government securitiesprices added to gains shortly after midday Monday, boostedby remarks from Federal Reserve Chairman Ben Bernanke.

Governments and companies will soon find themselves battling over the small supply of private savings available, paving the way for another recession, Ron Napier, head of Napier Investment Advisors, told CNBC Monday.

U.S. government debt prices added to earlier gains Friday after a report showed a surprise drop in consumer sentiment fueled worries over the pace of an economic recovery.

The last leg of the Treasury's record auction this week showed only mediocre demand for 30-year bonds, sending prices lower for government debt.

The dollar rose broadly Thursday as several policymakers around the world warned the economic recovery was fragile, prompting investors to take profits on gains in higher-yielding currencies and assets.

A solid audience showed up to buy a record $25 billion in benchmark 10-year Treasury notes Tuesday, but the above-average results failed to impress traders who unloaded U.S. government debt after the auction.

Middle-aged investors looking to retire in about 20 years should position their portfolios to have a 25 to 30 percent stake in equities outside of the United States, Bill Gross, co-chief investment officer at PIMCO told CNBC Monday.