The SEC is set to impose new rules on money-market mutual funds next week, setting up a potential clash with titans in the $5.5 trillion industry.
Wall Street’s main regulator plans to hold a meeting on July 12 to finalize the changes, which are meant to prevent the kind of outflows that occurred in March 2020 when the onset of the pandemic roiled markets. That turmoil prompted the Federal Reserve to intervene and rescue money-market funds for the second time in 12 years, spurring calls for the SEC to impose tougher regulations.
When it was introduced in December 2021, the …