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Market wrap: S&P 500 +0.0%, a flat day. 288 of 501 S&P 500 stocks rose and 210 fell. Biggest move: CDW +5.7% and AMAT −7.0%.

2026-10-13 · S&P 500

Market wrap: S&P 500 +0.0%, a flat day

288 of 501 S&P 500 stocks rose and 210 fell. Biggest move: CDW +5.7% and AMAT −7.0%.

The story in plain words

Tuesday, October 13, 2026. Market wrap: S&P 500 +0.0%, a flat day. 288 of 501 S&P 500 stocks rose and 210 fell. Biggest move: CDW +5.7% and AMAT −7.0%.

What the data shows for The S&P 500: S&P 500 (SPY) +0.0% today. Biggest gain: CDW +5.7%. Biggest drop: AMAT −7.0%. Best sector fund: Energy (XLE) +1.7%; weakest: Health care (XLV) −1.3%.

Worked out from that data: 288 of 501 S&P 500 stocks rose, 210 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) +0.0% todayOct 13, 2026, 3:35 PM ET
  • CALCULATED
    288 of 501 S&P 500 stocks rose, 210 fellHow: count of stocks with a positive / negative change today · Oct 13, 2026, 3:35 PM ET
  • OBSERVED
    Biggest gain: CDW +5.7%Oct 13, 2026, 3:35 PM ET
  • OBSERVED
    Biggest drop: AMAT −7.0%Oct 13, 2026, 3:35 PM ET
  • OBSERVED
    Best sector fund: Energy (XLE) +1.7%; weakest: Health care (XLV) −1.3%Oct 13, 2026, 3:35 PM ET

More stories

Statistics only, not investment advice. Past moves don’t predict future ones. Data as of Oct 13, 2026, 3:35 PM ET.