Experts say S&P 500 ‘broken’ despite recent record high — is Warren Buffett’s ‘set it, forget it’ strategy obsolete?

Core Insights - The S&P 500 reached a record high of 6,753.72 on October 8, despite an ongoing government shutdown [1] - While index funds and ETFs are traditionally seen as a "set it and forget it" investment strategy, experts are raising concerns about the risks of concentrating investments solely in the S&P 500 [2][3] Group 1: S&P 500 Overview - The S&P 500 is a stock market index that tracks approximately 500 of the largest publicly traded companies in the U.S., weighted by market capitalization [3] - Companies with larger market capitalizations are generally viewed as more stable and less risky, making the S&P 500 a popular choice for everyday investors [4] Group 2: Concerns About S&P 500 - The S&P 500 is not as diverse as it may appear, primarily due to its market cap weighting, which gives more influence to companies with larger market values [5]