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Market wrap: S&P 500 +0.8%, a positive day. 364 of 501 S&P 500 stocks rose and 135 fell. Biggest move: CEG +14.2% and STX −8.8%.

2026-10-06 · S&P 500

Market wrap: S&P 500 +0.8%, a positive day

364 of 501 S&P 500 stocks rose and 135 fell. Biggest move: CEG +14.2% and STX −8.8%.

The story in plain words

Tuesday, October 6, 2026. Market wrap: S&P 500 +0.8%, a positive day. 364 of 501 S&P 500 stocks rose and 135 fell. Biggest move: CEG +14.2% and STX −8.8%.

What the data shows for The S&P 500: S&P 500 (SPY) +0.8% today. Biggest gain: CEG +14.2%. Biggest drop: STX −8.8%. Best sector fund: Utility (XLU) +2.3%; weakest: Communication (XLC) −0.1%.

Worked out from that data: 364 of 501 S&P 500 stocks rose, 135 fell.

This is one of CookieStocks’ daily stock stories about the S&P 500 day in five cards: the index, the biggest movers, sectors and the stories to know. Stories are found automatically each trading day from market data and SEC filings, and every claim is labelled as observed, calculated or a possible contributor. Statistics only, not investment advice.

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) +0.8% todayOct 6, 2026, 12:35 PM ET
  • CALCULATED
    364 of 501 S&P 500 stocks rose, 135 fellHow: count of stocks with a positive / negative change today · Oct 6, 2026, 12:35 PM ET
  • OBSERVED
    Biggest gain: CEG +14.2%Oct 6, 2026, 12:35 PM ET
  • OBSERVED
    Biggest drop: STX −8.8%Oct 6, 2026, 12:35 PM ET
  • OBSERVED
    Best sector fund: Utility (XLU) +2.3%; weakest: Communication (XLC) −0.1%Oct 6, 2026, 12:35 PM ET

More stories

Statistics only, not investment advice. Past moves don’t predict future ones. Data as of Oct 6, 2026, 12:35 PM ET.