Investors poured $37 billion into cash-like money market funds (MMFs) in the week to Wednesday, Bank of America said on Friday, as they braced for the U.S. Federal Reserve to cut interest rates in September.

It put MMFs on track for their biggest three-week cumulative inflow since January at $145 billion, BofA said, citing figures from financial data provider EPFR.

Investors put $20.4 billion into stocks, $15.1 billion into bonds, and $1.1 billion into gold, BofA said, in its weekly round up of flows in and out of world markets.