S&P 500 Movers | Winners: GRMN, GEHC, CTSH | Losers: LII, VRT, MAS
Beneath a day of broad declines, some stocks showed moves that were weeks in the making.
Lennox International (LII) was the weakest S&P 500 stock of the day, returning -21.0%. The move came during a broad decline, with the S&P 500 returning -1.5%, the Dow Jones Industrial Average returning -2.2%, and the Nasdaq-100 returning -2.1%.
This raises a key question for any observer of the tape: are these sharp, single-day moves isolated events, or are they accelerations of existing trends? The day’s biggest winners and losers offer a clear answer.
Wednesday’s S&P 500 Winners
The 10 stocks with the highest returns on the last trading day:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | GRMN | Garmin | 16.2% | 46.5% |
| 2 | GEHC | GE HealthCare Technologies | 12.2% | -12.2% |
| 3 | CTSH | Cognizant Technology Solutions | 11.3% | -31.7% |
| 4 | SBAC | SBA Communications | 6.5% | -2.4% |
| 5 | INTU | Intuit | 6.4% | -49.2% |
| 6 | IT | Gartner | 6.3% | -34.3% |
| 7 | ADBE | Adobe | 5.7% | -24.7% |
| 8 | DOW | Dow | 5.5% | 33.1% |
| 9 | DDOG | Datadog | 5.3% | 94.3% |
| 10 | WDAY | Workday | 5.2% | -21.8% |
Wednesday’s S&P 500 Losers
And the 10 stocks with the lowest returns:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | LII | Lennox International | -21.0% | -11.0% |
| 2 | VRT | Vertiv | -17.3% | 37.7% |
| 3 | MAS | Masco | -11.1% | 15.4% |
| 4 | KLAC | KLA | -10.8% | 40.4% |
| 5 | MU | Micron Technology | -9.9% | 159.1% |
| 6 | SMCI | Super Micro Computer | -9.7% | -12.2% |
| 7 | FLEX | Flex | -9.1% | 70.5% |
| 8 | COHR | Coherent | -8.7% | 20.3% |
| 9 | AMAT | Applied Materials | -8.4% | 70.3% |
| 10 | BG | Bunge Global | -8.2% | 22.4% |
Are today’s big moves just one-day events?
The data shows significant persistence. On the upside, Garmin (GRMN) and Cognizant Technology Solutions (CTSH) appear on both the one-day and one-month winners lists. Their respective one-month returns are +26.1% and +44.5%, showing strength that has been building for weeks.
A similar pattern holds for the losers. KLA (KLAC) and Micron Technology (MU) are present on both the daily and monthly lists of weakest performers. Their one-month returns of -38.9% and -35.5% suggest today’s weakness is part of a longer-running story.
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 | CTSH | Cognizant Technology Solutions | 29.6% | -31.7% |
| 2 | WDAY | Workday | 26.9% | -21.8% |
| 3 | IT | Gartner | 25.4% | -34.3% |
| 4 | IQV | IQVIA | 24.7% | 9.8% |
| 5 | ACN | Accenture | 23.6% | -33.7% |
| 6 | GRMN | Garmin | 22.6% | 46.5% |
| 7 | NOW | ServiceNow | 21.3% | -24.4% |
| 8 | ROP | Roper Technologies | 21.2% | -7.7% |
| 9 | ADBE | Adobe | 20.6% | -24.7% |
| 10 | ADSK | Autodesk | 20.5% | -17.1% |
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | SNDK | SanDisk | -36.5% | 328.0% |
| 2 | COHR | Coherent | -28.9% | 20.3% |
| 3 | LITE | Lumentum | -27.4% | 63.4% |
| 4 | VRT | Vertiv | -25.9% | 37.7% |
| 5 | MU | Micron Technology | -23.0% | 159.1% |
| 6 | MRVL | Marvell Technology | -22.6% | 92.6% |
| 7 | AMD | Advanced Micro Devices | -22.2% | 100.6% |
| 8 | AMAT | Applied Materials | -21.2% | 70.3% |
| 9 | LRCX | Lam Research | -21.0% | 47.7% |
| 10 | KLAC | KLA | -20.7% | 40.4% |
Movers Over The Last Month
And over the last 21 trading days:
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | CTSH | Cognizant Technology Solutions | 44.5% | -31.7% |
| 2 | ACN | Accenture | 40.5% | -33.7% |
| 3 | WDAY | Workday | 36.0% | -21.8% |
| 4 | CBOE | Cboe Global Markets | 33.0% | 23.2% |
| 5 | PYPL | PayPal | 31.5% | 0.6% |
| 6 | IQV | IQVIA | 28.1% | 9.8% |
| 7 | CTAS | Cintas | 28.1% | 15.7% |
| 8 | ADBE | Adobe | 27.6% | -24.7% |
| 9 | GRMN | Garmin | 26.1% | 46.5% |
| 10 | ADSK | Autodesk | 25.6% | -17.1% |
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | GLW | Corning | -51.5% | 42.2% |
| 2 | SNDK | SanDisk | -50.5% | 328.0% |
| 3 | COHR | Coherent | -43.2% | 20.3% |
| 4 | MRVL | Marvell Technology | -41.2% | 92.6% |
| 5 | KLAC | KLA | -38.9% | 40.4% |
| 6 | LRCX | Lam Research | -38.6% | 47.7% |
| 7 | INTC | Intel | -37.8% | 121.9% |
| 8 | AMAT | Applied Materials | -37.2% | 70.3% |
| 9 | MU | Micron Technology | -35.5% | 159.1% |
| 10 | FLEX | Flex | -35.4% | 70.5% |
A movers list is a map of attention, not a set of instructions.
The tables earlier in this report highlight stocks capturing significant market focus. A disciplined reader uses this information as a starting point for research, not a signal to act. The goal is to understand the business behind the percentage move.
Consider the day’s extremes. Garmin, the top gainer, saw its revenue grow 13.5% over the last twelve months. Lennox International, the weakest performer, saw its revenue decline 2.0% over the same period. These are the kinds of fundamental facts that give context to a stock’s daily motion.
Either side of these lists can be a lead worth following, with the same follow-up question: does the business back the move? For the winners, our Guidance Momentum screen tracks which companies raised their own forward numbers. For the losers, our Buy the Dip screen flags which marked-down names still have the fundamentals to recover.
Every Stock On That List Moved That Much In One Session
The movers list is a daily reminder that the same volatility fills both columns, and nobody knows which side their name lands on next. How much damage any single position could do to your net worth is a question with a precise answer. The Trefis Wealth team computes it for investors professionally, with the same rules-based systematic discipline that runs our High Quality Portfolio. Request a free vulnerability audit of your biggest positions.