S&P 500 Movers | Winners: DDOG, APA, MPC | Losers: COHR, LITE, CIEN
A quiet day for the index hid significant churn among individual stocks, raising questions about new versus persistent trends.
Today’s biggest moves are fresh ones. The factbook notes that no stock appears on both the one-day and one-month leaderboards, suggesting the extremes are new developments, not ongoing stories.
This happened against a backdrop of a nearly flat S&P 500, which returned -0.1% on the day. The question is what to make of this churn at the top and bottom of the tape. The one-day lists show the scale of these new moves.

Monday’s S&P 500 Winners
- A 8-Day Winning Streak Has ATI Stock Up 28%
- Equinox Gold Stock Climbs 29% On A 6-Day Winning Streak
- 6 Green Days In A Row: Agnico Eagle Mines Stock Is Up 24%
- 6 Green Days In A Row: Newmont Stock Is Up 25%
- Shopify Stock Climbs 33% On A 5-Day Winning Streak
- The 52-Week-High List: 23 S&P 500 Names On Monday
The 10 stocks with the highest returns on the last trading day:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | DDOG | Datadog | 11.5% | 91.8% |
| 2 | APA | APA | 9.0% | 71.6% |
| 3 | MPC | Marathon Petroleum | 7.4% | 98.7% |
| 4 | AKAM | Akamai Technologies | 6.4% | 34.8% |
| 5 | CF | CF Industries | 6.2% | 58.6% |
| 6 | PANW | Palo Alto Networks | 5.8% | 109.0% |
| 7 | FANG | Diamondback Energy | 5.8% | 33.9% |
| 8 | PSX | Phillips 66 | 5.7% | 69.6% |
| 9 | VRTX | Vertex Pharmaceuticals | 5.6% | 15.6% |
| 10 | VLO | Valero Energy | 5.6% | 96.3% |
Monday’s S&P 500 Losers
And the 10 stocks with the lowest returns:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | COHR | Coherent | -14.2% | 76.2% |
| 2 | LITE | Lumentum | -8.6% | 120.7% |
| 3 | CIEN | Ciena | -6.0% | 65.8% |
| 4 | VRSK | Verisk Analytics | -5.5% | -18.6% |
| 5 | GLW | Corning | -4.8% | 80.8% |
| 6 | MRVL | Marvell Technology | -4.6% | 145.8% |
| 7 | LUV | Southwest Airlines | -4.6% | 9.6% |
| 8 | UAL | United Airlines | -4.5% | 10.7% |
| 9 | FSLR | First Solar | -4.3% | -8.4% |
| 10 | CCL | Carnival Corporation | -4.3% | -7.7% |
What do we know about these new names at the extremes?
The day’s biggest loser, Coherent (COHR), returned -14.2%. The company trades at 131.9 times trailing earnings, a high multiple for a name leading the decliners. Its revenue grew 18.0% over the last twelve months.
On the other side, the day’s top performer was Datadog (DDOG), which returned +11.5%. For context, its revenue grew 31.5% over the last twelve months.
Movers Over The Last Week
Widening the window to five trading days, these are the strongest and weakest S&P 500 names:
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | PLTR | Palantir Technologies | 39.5% | -1.4% |
| 2 | ZBRA | Zebra Technologies | 29.6% | 55.7% |
| 3 | IT | Gartner | 27.5% | -23.4% |
| 4 | NEM | Newmont | 23.0% | 17.9% |
| 5 | ABNB | Airbnb | 22.6% | 36.1% |
| 6 | CRL | Charles River Laboratories International | 20.0% | 38.9% |
| 7 | LDOS | Leidos | 17.2% | -22.4% |
| 8 | VEEV | Veeva Systems | 13.8% | 5.1% |
| 9 | COHR | Coherent | 12.8% | 76.2% |
| 10 | PSKY | Paramount Skydance | 12.8% | -30.1% |
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | TTD | Trade Desk | -26.8% | -64.7% |
| 2 | HONA | Honeywell Aerospace | -21.7% | n/a |
| 3 | DVA | DaVita | -21.4% | 61.7% |
| 4 | WDC | Western Digital | -16.9% | 154.6% |
| 5 | APP | AppLovin | -16.5% | -49.7% |
| 6 | PODD | Insulet | -15.8% | -49.7% |
| 7 | CMG | Chipotle Mexican Grill | -14.2% | -13.1% |
| 8 | NRG | NRG Energy | -14.1% | -24.6% |
| 9 | TPL | Texas Pacific Land | -13.7% | 22.3% |
| 10 | APTV | Aptiv | -13.0% | -34.5% |
Movers Over The Last Month
And over the last 21 trading days:
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | IT | Gartner | 45.0% | -23.4% |
| 2 | ZBRA | Zebra Technologies | 38.7% | 55.7% |
| 3 | PLTR | Palantir Technologies | 38.2% | -1.4% |
| 4 | CTSH | Cognizant Technology Solutions | 37.0% | -28.9% |
| 5 | WDAY | Workday | 32.6% | -14.2% |
| 6 | ACN | Accenture | 31.8% | -31.8% |
| 7 | MSFT | Microsoft | 31.4% | 5.1% |
| 8 | LDOS | Leidos | 30.0% | -22.4% |
| 9 | GRMN | Garmin | 28.8% | 55.7% |
| 10 | PYPL | PayPal | 27.5% | 1.8% |
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | SNDK | SanDisk | -35.4% | 421.5% |
| 2 | APP | AppLovin | -33.1% | -49.7% |
| 3 | TTD | Trade Desk | -31.4% | -64.7% |
| 4 | HONA | Honeywell Aerospace | -26.1% | n/a |
| 5 | WDC | Western Digital | -24.8% | 154.6% |
| 6 | CHRW | C.H. Robinson Worldwide | -23.4% | -7.1% |
| 7 | LII | Lennox International | -23.3% | -12.4% |
| 8 | DVA | DaVita | -21.1% | 61.7% |
| 9 | NXPI | NXP Semiconductors | -20.1% | 8.5% |
| 10 | TSLA | Tesla | -18.9% | -26.4% |
So how should a disciplined investor read these lists?
A large, single-day move is first and foremost a signal of attention. It flags a stock where risk perceptions have changed quickly, for reasons that are not explained by the price alone. The leaderboards shown earlier, spanning one week and one month, provide context on whether a move is an isolated event or part of a developing trend.
The disciplined next step is never to chase the number. It is to investigate the business behind the ticker and understand what has, or has not, changed in its story.
The next step is never to trade the list; it is to test it. Our Guidance Momentum screen shows which risers have management raising guidance behind them, and our Buy the Dip screen shows which of the fallers still generate the growth and cash that make a recovery plausible.
The Tape Rewards Attention. It Punishes Reaction
Big daily moves pull hard at both greed and fear, and acting on either, day after day, is how most portfolios end up trailing the index they were trying to beat.
The Trefis High Quality (HQ) Portfolio is built for the opposite reflex: about 30 quality businesses screened for the fundamentals that survive volatile stretches, held with rules instead of reactions. It has a track record of outpacing a benchmark that combines the three major indices – the S&P 500, S&P Mid-cap, and Russell 2000. Read the movers daily; trade them rarely.