In the age of Trump, America's biggest foreign creditors aresuddenly having second thoughts about financing the U.S.government.

In Japan, the largest holder of Treasuries, investors culledtheir stakes in December by the most in almost four years, theMinistry of Finance's most recent figures show. What's striking isthe selling has persisted at a time when going abroad has rarelybeen so attractive. And it's not just the Japanese. Across theworld, foreigners are pulling back from U.S. debt like neverbefore.

From Tokyo to Beijing and London, the consensus is clear: fewoverseas investors want to step into the $13.9 trillion U.S.Treasury market right now. Whether it's the prospect of biggerdeficits and more inflation under President Donald Trump or higherinterest rates from the Federal Reserve, the world's safest debtmarket seems less of a sure thing — particularly after the upswingin yields since November. And then there is Trump's penchant forsaber rattling, which has made staying home that much easier.