The ten-year treasury yield has been rising for almost tw...

The ten-year treasury yield has been rising for almost two weeks - which means that the price has been falling.
http://stockcharts.com/h-sc/ui

Investors who bought at the highest recent price less than two weeks ago have lost about 1.5% of their principal. Their small coupons (1.62%) will not cover this loss if it contimues at this rate.
There may be more pain ahead for bondholders. Some of them may retreat into equities.Buy Timing the Market at Amazon.com