The S&P 500 finished September down 0.45%, marking its worst monthly performance since June, though it remains up 11.8% year to date. Other indices diverged as the Dow slumped 4.3% for the month while the Nasdaq climbed 1.9%. For the third quarter, the S&P 500 and Nasdaq grew 2% and 2.5% respectively. Market activity also included a revision of Q2 GDP up to a 2.2% annualized rate, while shares of Google rose 3% and Moderna fell 5.5% following a Citigroup downgrade.
Tuesday, October 20, 2026
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S&P 500 Ends September Down 0.45% in Worst Month Since June
US Markets20 days ago
August personal consumption expenditures rose 3.4%, trailing the 3.7% forecast and cutting the probability of an October Federal Reserve rate increase to less than 40%. US equities initially rallied on the cooling inflation data, but the S&P 500 gave up early gains of as much as 0.7% to close Wednesday down 0.3% as 30 year Treasury yields hit their highest levels since 2002. Oil prices held near $100 as stalled US-Iran talks sustained inflation concerns, contributing to the late day fade.
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