Group 1 - Investors withdrew a net $43.19 billion from U.S. equity funds in the week to September 17, marking the largest weekly net sales since mid-December 2024 [1] - The S&P 500 reached a record high of 6,656.8, reflecting a 37.7% gain from a low of 4,835.04 on April 7 [2] - The S&P 500 forward price-to-earnings ratio is at 22.6x, in the 99th percentile over the past 20 years, indicating high market valuations [2] Group 2 - U.S. large-cap funds experienced a net outflow of $34.19 billion, the largest since at least 2020, while mid-cap funds saw an outflow of $1.58 billion [3] - Technology sector funds faced a significant outflow of $2.84 billion, contributing to a total sectoral funds outflow of $1.24 billion [3] - U.S. bond funds recorded a 22nd consecutive week of inflows, totaling $7.33 billion [3] Group 3 - Short-to-intermediate investment-grade funds, general domestic taxable fixed income funds, and municipal debt funds saw inflows of $1.59 billion, $1.14 billion, and $1.04 billion, respectively [4] - Money market funds experienced a significant outflow of $23.65 billion, ending a three-week trend of net purchases [4]