As negative interest rates abound in Europe, foreign central banks and other investors are gobbling up U.S. Treasuries.

As negative interest rates abound in Europe, foreign central banks and other investors are gobbling up U.S. Treasuries.

Rates recent ascent may foreshadow a Fed hike later this year.

Rates recent ascent may foreshadow a Fed hike later this year.

Bond-market crash has Wall Street divided on what's coming next.

Bond-market crash has Wall Street divided on what's coming next.

As investors seek 'liquid, safe' assets, demand for Treasury bills far outstrips supply.

As investors seek 'liquid, safe' assets, demand for Treasury bills far outstrips supply.