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LITE −18.4%: one of its biggest daily moves this year. Lumentum Holdings Inc. moved 15.6 points less than its sector, on 2.6× its usual volume.

2026-11-02 · LITE

LITE −18.4%: one of its biggest daily moves this year

Lumentum Holdings Inc. moved 15.6 points less than its sector, on 2.6× its usual volume.

The story in plain words

Monday, November 2, 2026. LITE −18.4%: one of its biggest daily moves this year. Lumentum Holdings Inc. moved 15.6 points less than its sector, on 2.6× its usual volume.

What the data shows for Lumentum (LITE): LITE −18.4% today. Its sector fund (XLK) −2.7% today. S&P 500 (SPY) −0.3% today.

Worked out from that data: 15.6 points less than its sector. Volume 2.6× its 20-day average. Its biggest daily move in the past 250 trading days. After the 8 most similar LITE days since Nov 16, 2021, the stock was higher 5 days later 6 of 8 times (History, not a forecast).

Possible contributors. These line up in time with the move; they are not confirmed causes: News: “Why Marvell Technology Plunged Today” (Published around the move. Timing only, not a confirmed cause). News: “Marvell Stocks Decline 6.8% With Lumentum Deal Putting Dilution Ahead of Synergies” (Published around the move. Timing only, not a confirmed cause). 425 filed (Filed around the move. Timing only). 425 filed (Filed around the move. Timing only).

About the company: Lumentum trades as LITE and is part of the S&P 500, in the Information Technology sector (Communications Equipment), headquartered in San Jose, California, founded in 2015.

This is one of CookieStocks’ daily stock stories about unusually large one-day price moves in S&P 500 stocks, measured against each stock’s own history, its sector and its usual volume. 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
    LITE −18.4% todayNov 2, 2026, 4:35 PM ET
  • OBSERVED
    Its sector fund (XLK) −2.7% todayNov 2, 2026, 4:35 PM ET
  • CALCULATED
    15.6 points less than its sectorHow: stock return − sector fund return · Nov 2, 2026, 4:35 PM ET
  • OBSERVED
    S&P 500 (SPY) −0.3% todayNov 2, 2026, 4:35 PM ET
  • CALCULATED
    Volume 2.6× its 20-day averageHow: today’s volume ÷ average of the last 20 days · Nov 2, 2026, 4:35 PM ET
  • CALCULATED
    Its biggest daily move in the past 250 trading daysHow: share of past daily moves smaller in size · Nov 2, 2026, 4:35 PM ET
  • POSSIBLE CONTRIBUTOR
    News: “Why Marvell Technology Plunged Today”Published around the move. Timing only, not a confirmed cause. · Nov 2, 2026, 2:45 PM ET
  • POSSIBLE CONTRIBUTOR
    News: “Marvell Stocks Decline 6.8% With Lumentum Deal Putting Dilution Ahead of Synergies”Published around the move. Timing only, not a confirmed cause. · Nov 2, 2026, 1:54 PM ET
  • POSSIBLE CONTRIBUTOR
    425 filedFiled around the move. Timing only. · Source: SEC EDGAR · Nov 2, 2026, 3:00 PM ET
  • POSSIBLE CONTRIBUTOR
    425 filedFiled around the move. Timing only. · Source: SEC EDGAR · Nov 2, 2026, 3:00 PM ET
  • CALCULATED
    After the 8 most similar LITE days since Nov 16, 2021, the stock was higher 5 days later 6 of 8 timesHistory, not a forecast. · How: same-company days with a move of similar size and direction

Lumentum (LITE) financials and filings →

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Statistics only, not investment advice. Past moves don’t predict future ones. Data as of Nov 2, 2026, 4:35 PM ET.