Stocks at midday: Idexx Laboratories (IDXX) leads S&P 500 gainers, +19.67% (November 2, 2026)
At midday Monday, the S&P 500 is up +0.41% to 7,611.02, with all major indices higher and breadth positive (365 advancers vs. 129 decliners). Idexx Laboratories leads the S&P 500 with a +19.67% gain, while Lumentum lags with a -14.24% decline. The session is still running and numbers are intraday.
| Ticker | Company | Price ($) | Change | Week to date | Dollar volume |
|---|---|---|---|---|---|
| IDXX | Idexx Laboratories | 659.65 | +19.67% | +19.67% | $732M |
| CBRE | CBRE | 137.21 | +6.49% | +6.49% | $142M |
| MPWR | Monolithic Power Systems | 1,288.95 | +6.38% | +6.38% | $590M |
| DASH | DoorDash | 190.34 | +6.34% | +6.34% | $277M |
| HWM | Howmet Aerospace | 211.54 | +6.18% | +6.18% | $370M |
| CRH | CRH | 96.29 | +6.03% | +6.03% | $325M |
| UAL | United Airlines | 110.39 | +5.90% | +5.90% | $378M |
| CSGP | CoStar | 31.91 | +5.75% | +5.75% | $54M |
| APO | Apollo Global Management | 122.50 | +5.75% | +5.75% | $237M |
| PNR | Pentair | 69.97 | +5.59% | +5.59% | $128M |
| Ticker | Company | Price ($) | Change | Week to date | Dollar volume |
|---|---|---|---|---|---|
| LITE | Lumentum | 721.01 | -14.24% | -14.24% | $5.4B |
| MRVL | Marvell Technology | 178.78 | -8.97% | -8.97% | $5.1B |
| P | Everpure | 116.65 | -8.14% | -8.14% | $204M |
| CIEN | Ciena | 300.27 | -6.38% | -6.38% | $372M |
| ORCL | Oracle | 122.43 | -6.31% | -6.31% | $3.4B |
| STX | Seagate Technology | 607.04 | -5.82% | -5.82% | $1.5B |
| APA | APA | 49.86 | -5.61% | -5.61% | $126M |
| INTC | Intel | 62.13 | -5.52% | -5.52% | $6.3B |
| DDOG | Datadog | 223.28 | -5.10% | -5.10% | $437M |
| WDC | Western Digital | 348.66 | -4.77% | -4.77% | $1.1B |
| Market | Last | Change | Week to date |
|---|---|---|---|
| S&P 500 | 7,611.02 | +0.41% | +0.41% |
| Nasdaq | 25,530.99 | +0.37% | +0.37% |
| Dow Jones | 52,294.23 | +1.01% | +1.01% |
| Russell 2000 | 2,837.79 | +0.92% | +0.92% |
| VIX | 19.08 | -1.75% | - |
| 10-year yield (%) | 4.88 | -0.95% | - |
| US Dollar Index | 101.65 | -0.22% | - |
| Gold ($/oz) | 3,976.50 | +1.99% | - |
| WTI crude ($) | 96.53 | -7.29% | - |
| Bitcoin ($) | 76,998.23 | -1.60% | - |
How is the S&P 500 performing at midday?
The S&P 500 is up +0.41% to 7,611.02, with 365 of 502 constituents advancing. The Dow Jones is up +1.01% to 52,294.23, the Nasdaq is up +0.37% to 25,530.99, and the Russell 2000 is up +0.92% to 2,837.79. These are intraday figures and can change by the close.
Breadth is positive, with 365 advancers, 129 decliners, and 8 unchanged among S&P 500 constituents. The VIX is at 19.08, down -1.75%, while the 10-year Treasury yield is at 4.882%, down -0.95%.
The US Dollar Index is at 101.651, down -0.22%, and gold is at $3,976.50 per ounce, up +1.99%. WTI crude is at $96.53, down -7.29%, and Bitcoin is at $76,998.23, down -1.60%.
Which S&P 500 stocks are the top gainers today?
Idexx Laboratories (IDXX) leads with a +19.67% gain to 659.65 on $732.4M dollar volume. CBRE (CBRE) is up +6.49% to 137.21, Monolithic Power Systems (MPWR) is up +6.38% to 1,288.95, DoorDash (DASH) is up +6.34% to 190.34, and Howmet Aerospace (HWM) is up +6.18% to 211.54.
Other notable gainers include CRH (CRH) up +6.03% to 96.29, United Airlines (UAL) up +5.90% to 110.39, CoStar (CSGP) up +5.75% to 31.91, Apollo Global Management (APO) up +5.75% to 122.50, and Pentair (PNR) up +5.59% to 69.97.
The reasons for these moves are not in our data. Readers can check company SEC filings and press releases for details.
Which S&P 500 stocks are the biggest losers today?
Lumentum (LITE) is the biggest decliner, down -14.24% to 721.01 on $5.4B dollar volume. Marvell Technology (MRVL) is down -8.97% to 178.78, Everpure (P) is down -8.14% to 116.65, Ciena (CIEN) is down -6.38% to 300.27, and Oracle (ORCL) is down -6.31% to 122.43.
Other losers include Seagate Technology (STX) down -5.82% to 607.04, APA (APA) down -5.61% to 49.86, Intel (INTC) down -5.52% to 62.13, Datadog (DDOG) down -5.10% to 223.28, and Western Digital (WDC) down -4.77% to 348.66.
The reasons for these declines are not in our data. Readers can check company SEC filings and press releases for details.
What is the market breadth and macro backdrop at midday?
Market breadth is positive with 365 advancers and 129 decliners. The VIX is down -1.75% to 19.08, the 10-year yield is down -0.95% to 4.882%, and the dollar is down -0.22% to 101.651. Gold is up +1.99% to $3,976.50, while WTI crude is down -7.29% to $96.53.
Bitcoin is down -1.60% to $76,998.23. These macro figures are intraday and subject to change.
Past performance does not guarantee future results.
Frequently asked questions
What is the S&P 500 trading at midday?
The S&P 500 is at 7,611.02, up +0.41% for the session. This is an intraday figure and can change by the close.
Which stock is the top S&P 500 gainer today?
Idexx Laboratories (IDXX) is the top gainer, up +19.67% to 659.65 on $732.4M dollar volume. The reason for the move is not in our data.
Which stock is the biggest S&P 500 loser today?
Lumentum (LITE) is the biggest loser, down -14.24% to 721.01 on $5.4B dollar volume. The reason for the decline is not in our data.
Bottom line
At midday, the S&P 500 is higher with positive breadth, led by Idexx Laboratories and lagging Lumentum. Macro indicators show a lower VIX, lower yields, and a weaker dollar, while gold rises and crude oil falls. Past performance does not guarantee future results. Live tables are updated during the session on our stock market page.