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Market wrap: S&P 500 +0.3%, a positive day. 304 of 501 S&P 500 stocks rose and 196 fell. Biggest move: ACN +16.4% and CTVA −84.0%.

2026-10-01 · S&P 500

Market wrap: S&P 500 +0.3%, a positive day

304 of 501 S&P 500 stocks rose and 196 fell. Biggest move: ACN +16.4% and CTVA −84.0%.

Prove it

Every claim on the graphic, labelled: observed (straight from the data), calculated (worked out from it), or possible contributor (lines up in time, not a confirmed cause).

  • OBSERVED
    S&P 500 (SPY) +0.3% todayOct 1, 2026, 4:35 PM ET
  • CALCULATED
    304 of 501 S&P 500 stocks rose, 196 fellHow: count of stocks with a positive / negative change today · Oct 1, 2026, 4:35 PM ET
  • OBSERVED
    Biggest gain: ACN +16.4%Oct 1, 2026, 4:35 PM ET
  • OBSERVED
    Biggest drop: CTVA −84.0%Oct 1, 2026, 4:35 PM ET
  • OBSERVED
    Best sector fund: Energy (XLE) +1.9%; weakest: Health care (XLV) −1.1%Oct 1, 2026, 4:35 PM ET

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Statistics only, not investment advice. Past moves don’t predict future ones. Data as of Oct 1, 2026, 4:35 PM ET.