It is unclear whether China is selling US Treasuries after cutting its holdings for three months in a row, or what its motive may be. There are concerns that Beijing may be sending a coded message before the US Treasury rules next month on whether China is a "currency manipulator", though experts say China is clearly still buying dollar assets because it is holding down the yuan against the greenback. Some investors may be selling Treasuries as a precaution against a trade spat.