Treasurys

Fiscal uncertainty in the US and the fact that Treasury yields aren't high enough to reflect the risk of holding them is making the securities less attractive.

Investors have grown more wary of lending to the US government for such a long time, and have demanded higher yields as a result, increasing a cushion known as the term premium.

Gundlach said investors should consider increasing their non-dollar-based holdings, adding that his firm was starting to introduce foreign currencies into its funds.

Markets are currently wagering the US central bank will cut interest-rates once more with around a 70% chance of a second move this year.

A quieter day for economic data Monday is shifting attention to US and China trade talks in London, and events later this week, including consumer inflation on Wednesday.

Interest-rate swaps showed traders now see a roughly 70% chance of a quarter-point rate cut by September. Fewer than two rate cuts are fully priced in for the year.

This might deeply disappoint Wall Street investors who've been counting on a windfall if Fannie and Freddie are set free.

Wary of America's swelling federal budget gap and debt burden, the money manager is part of a wave of investment firms steering away from the longest-dated U.S. government bonds.

The US 10-year term premium — or the extra return investors demand to own longer-term debt instead of a series of shorter ones — has climbed to near 1%, a level last seen in 2014.

Early signs are emerging that Trump-induced dollar volatility, inflated Treasury yields and fears about the country's debt burden are fueling a gradual reweighting toward the Old Continent.