S&P 500 Movers | Winners: NDSN, COIN, DE | Losers: MRNA, WMT, ISRG
A down day for the averages hid some truly dramatic single-stock moves.
Moderna (MRNA) was the weakest S&P 500 stock of the day, returning -23.5% in a session where the major indices saw much smaller declines. The S&P 500 returned -0.9%, the Dow Jones Industrial Average returned -1.3%, and the Nasdaq-100 returned -0.7%. The gap between the index and its most extreme member raises a key question: what separates a one-day shock from a longer-term trend? The day’s full list of extremes follows.

Thursday’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 | NDSN | Nordson | 8.0% | 40.0% |
| 2 | COIN | Coinbase Global | 7.6% | -23.8% |
| 3 | DE | Deere | 6.9% | 34.1% |
| 4 | LITE | Lumentum | 6.2% | 138.6% |
| 5 | Q | Qnity Electronics | 5.9% | 63.7% |
| 6 | MRVL | Marvell Technology | 5.8% | 195.8% |
| 7 | CF | CF Industries | 5.6% | 64.9% |
| 8 | MOS | Mosaic | 5.0% | -1.3% |
| 9 | CBOE | Cboe Global Markets | 4.8% | 17.7% |
| 10 | ARE | Alexandria Real Estate Equities | 4.7% | 11.3% |
Thursday’s S&P 500 Losers
And the 10 stocks with the lowest returns:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | MRNA | Moderna | -23.5% | 352.1% |
| 2 | WMT | Walmart | -9.4% | -6.6% |
| 3 | ISRG | Intuitive Surgical | -5.8% | -33.9% |
| 4 | CRWD | CrowdStrike | -5.6% | 62.4% |
| 5 | STLD | Steel Dynamics | -5.2% | 29.9% |
| 6 | BSX | Boston Scientific | -5.1% | -48.2% |
| 7 | CCL | Carnival Corporation | -4.9% | -15.6% |
| 8 | AXON | Axon Enterprise | -4.9% | 8.2% |
| 9 | CSGP | CoStar | -4.4% | -52.0% |
| 10 | NRG | NRG Energy | -4.3% | -26.8% |
Some declines are sudden, others build over time.
While a single day’s move can be jarring, some periods of weakness are more persistent. Consider NRG Energy (NRG), which appears on both the one-day and one-month losers lists. Its one-month return is -17.3%, a decline that the data shows has been building for weeks. This contrasts with the day’s biggest loser, Moderna, whose business saw revenue decline 27.7% 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 | MRNA | Moderna | 109.5% | 352.1% |
| 2 | CPRT | Copart | 16.8% | -12.3% |
| 3 | TRGP | Targa Resources | 13.3% | 66.2% |
| 4 | MRVL | Marvell Technology | 13.0% | 195.8% |
| 5 | COIN | Coinbase Global | 12.0% | -23.8% |
| 6 | NEM | Newmont | 11.8% | 28.4% |
| 7 | DVN | Devon Energy | 11.1% | 36.3% |
| 8 | APA | APA | 11.0% | 85.7% |
| 9 | EL | Estee Lauder Companies | 10.1% | -7.5% |
| 10 | MRK | Merck | 9.9% | 43.6% |
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | STLD | Steel Dynamics | -15.9% | 29.9% |
| 2 | CRWD | CrowdStrike | -15.6% | 62.4% |
| 3 | JBL | Jabil | -14.5% | 39.0% |
| 4 | NCLH | Norwegian Cruise Line | -14.3% | -25.0% |
| 5 | AVGO | Broadcom | -12.9% | 5.6% |
| 6 | AKAM | Akamai Technologies | -12.1% | 26.2% |
| 7 | DELL | Dell Technologies | -12.1% | 248.6% |
| 8 | INTC | Intel | -11.9% | 149.7% |
| 9 | PANW | Palo Alto Networks | -11.7% | 89.8% |
| 10 | NUE | Nucor | -11.7% | 48.3% |
Movers Over The Last Month
And over the last 21 trading days:
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | MRNA | Moderna | 129.6% | 352.1% |
| 2 | WDAY | Workday | 49.0% | -8.1% |
| 3 | IT | Gartner | 46.6% | -23.2% |
| 4 | CTSH | Cognizant Technology Solutions | 41.9% | -25.3% |
| 5 | PLTR | Palantir Technologies | 39.6% | -2.1% |
| 6 | ZBRA | Zebra Technologies | 37.2% | 48.5% |
| 7 | VEEV | Veeva Systems | 35.8% | 12.2% |
| 8 | PTC | PTC | 35.7% | -11.9% |
| 9 | NEM | Newmont | 33.3% | 28.4% |
| 10 | CRL | Charles River Laboratories International | 33.3% | 46.1% |
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | CHRW | C.H. Robinson Worldwide | -30.6% | -9.9% |
| 2 | APP | AppLovin | -25.1% | -54.2% |
| 3 | DVA | DaVita | -24.5% | 54.2% |
| 4 | TTD | Trade Desk | -24.2% | -64.9% |
| 5 | LII | Lennox International | -23.8% | -15.9% |
| 6 | HONA | Honeywell Aerospace | -20.2% | n/a |
| 7 | NXPI | NXP Semiconductors | -20.0% | 3.6% |
| 8 | APTV | Aptiv | -19.2% | -38.2% |
| 9 | ON | ON Semiconductor | -19.1% | 38.0% |
| 10 | NRG | NRG Energy | -17.3% | -26.8% |
A movers list is a map of attention, not a set of instructions.
The tables earlier in this report are a starting point for research, not a conclusion. A significant move, like the +8.0% return for Nordson (NDSN), simply tells you where the market’s focus has landed. The disciplined follow-up is to examine the business behind the stock. In Nordson’s case, that means looking at facts like its valuation of 33.6 times trailing earnings and its revenue growth of 7.0% over the last twelve months. A big price change is information, never an order.
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.
Today’s Winner Is Tomorrow’s Loser Often Enough
The movers list is the most honest picture of single-stock risk the market prints each day: the same volatility that makes the winners column also fills the losers column, and no one reliably knows which side a stock lands on next.
That is the case for owning a disciplined basket instead of chasing the tape. The Trefis High Quality (HQ) Portfolio holds roughly 30 businesses selected for consistent cash generation, strong margins, and resilient balance sheets, sized and rebalanced with rules. 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. Watch the movers for information; let the portfolio do the compounding.