Treasury yields traded lower after a strong auction on Thursday of $15 billion in 10-year TIPS as investors sought protection on expectations of rising inflation.
A closely watched part of the yield curve measuring the gap between yields on two- and 10-year Treasury notes was last down 1.32 basis points at 96.93 basis points.
The latest move marks the third about-turn, amid confusion over rules set by the Trump administration and escalating tensions within Washington on China policy.
Plans to delist the three Chinese firms were prompted by a White House executive order banning US investment in Chinese military-linked companies.
"The currency manipulator label was a step by the current US administration to appear tough on trade-related matter, although it would likely have few practical effects.
"A stronger global economy, however, would naturally reduce demand for a safe haven like the Swiss franc and soften its upward pressure - reducing the need for FX-interventions."
Mnuchin told lawmakers that they should consider such an approach to reduce complexity, coupled with some form of fraud protection.
*"This time, we need to have a revenue test and make sure that money is going to businesses that have significant revenue declines," he said.
The US economy entered recession in February as a result of the coronavirus pandemic, the private economics research group that acts as the arbiter for determining US business cycles said on Monday.
Yields spiked on Friday in the wake of a better-than-expected May unemployment report with the 10-year note yield rising above 0.9pc for the first time since March 20.