The Treasury’s one-stop shop for data about federal finances has added six datasets since its launch last summer, with plans for a couple more additions in the next few months. Fiscaldata.treasury.gov ...

So many investors are rushing online to buy Series I savings bonds and lock in a rate of 9.62% ahead of an October 28 deadline that a U.S. Treasury Department website selling the securities crashed.

The TreasuryDirect website is facing long delays as Americans race to buy U.S. Series I savings bonds before rates reset at the end of the month. One of this year’s best-performing investments, I ...

The Treasury’s website will undergo maintenance this weekend after record demand for series I inflation-linked savings bonds strained the system.