S&P’s $18 Trillion Rally Threatened by Psychology of 5% Yields

For years it’s seemed like nothing could stop the stock market’s inexorable march higher, as the S&P 500 Index soared more than 50% from the start of 2023 to the end of 2024, adding $18 trillion in value in the process. Now, however, Wall Street is seeing what can ultimately derail this rally: Treasury yields above 5%.