According to LSEG Lipper data, U.S. investors bought a net $66.24 billion worth of money market funds during the week, registering their largest weekly net purchase since December 4, 2024.

Money market fund rates aren’t typically enough to fulfill the "Rule of 72" over a short timeframe, he said. The Rule of 72 is used to estimate how long it will take to double your money.

T-bills are dwindling in supply, as the U.S. has been operating without a debt-ceiling fix since January The booming money-market-fund industry could soon face a shortage of its favorite assets to ...

U.S. equity funds saw outflows for a fourth straight week through May 7, driven by uncertainties around trade tariffs and as investors awaited U.S.-China trade talks for more clues.