S&P 500 Movers | Winners: CRWD, TSLA, SNDK | Losers: EIX, PCG, AON
A quiet surface for the market averages concealed deep currents of change in individual stocks.
Edison International (EIX) was the weakest S&P 500 stock of the day, returning -23.1% on a day the index itself went nowhere. The S&P 500 returned +0.0%, and the Dow Jones Industrial Average returned +0.0%.
This sharp divergence between a flat market and extreme single-stock moves raises a key question: is today’s pain a new event, or the continuation of an existing trend? The day’s biggest movers tell the story.
Monday’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 | CRWD | CrowdStrike | 5.8% | 97.1% |
| 2 | TSLA | Tesla | 5.5% | -18.2% |
| 3 | SNDK | SanDisk | 5.5% | 560.0% |
| 4 | COIN | Coinbase Global | 5.3% | -16.8% |
| 5 | SLB | Slb NV | 4.8% | 58.3% |
| 6 | DE | Deere | 3.9% | 41.4% |
| 7 | QCOM | Qualcomm | 3.8% | 0.7% |
| 8 | ULTA | Ulta Beauty | 3.8% | -11.2% |
| 9 | CF | CF Industries | 3.4% | 70.6% |
| 10 | FFIV | F5 | 3.3% | 59.5% |
Monday’s S&P 500 Losers
And the 10 stocks with the lowest returns:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | EIX | Edison International | -23.1% | -6.5% |
| 2 | PCG | PG&E | -20.1% | -16.9% |
| 3 | AON | Aon PLC | -9.5% | -8.2% |
| 4 | HWM | Howmet Aerospace | -7.5% | 19.7% |
| 5 | TTWO | Take-Two Interactive Software | -6.7% | -14.2% |
| 6 | AXON | Axon Enterprise | -5.7% | -0.2% |
| 7 | CLX | Clorox | -4.7% | 0.3% |
| 8 | WYNN | Wynn Resorts | -4.2% | -23.6% |
| 9 | TAP | Molson Coors Beverage | -4.1% | -11.9% |
| 10 | UBER | Uber Technologies | -4.0% | -7.4% |
How long has this weakness been building?
For some of the day’s biggest decliners, the drop was not a sudden event. Edison International (EIX) appears on both the one-day and one-month losers lists. Its one-month return is -26.4%, and excluding today it still lost 4.4% over the other sessions.
PG&E (PCG) shows a similar pattern, with a one-month return of -23.6%; it still lost 4.5% over the other sessions. This persistence is also visible on the upside for names like SanDisk (SNDK) and Coinbase Global (COIN).
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 | CRM | Salesforce | 23.2% | -2.3% |
| 2 | CRWD | CrowdStrike | 21.1% | 97.1% |
| 3 | VEEV | Veeva Systems | 15.0% | 28.0% |
| 4 | CDW | CDW common stock | 14.9% | 13.1% |
| 5 | FTNT | Fortinet | 12.5% | 115.2% |
| 6 | SNPS | Synopsys | 11.4% | -6.4% |
| 7 | SLB | Slb NV | 11.3% | 58.3% |
| 8 | LITE | Lumentum | 10.2% | 148.2% |
| 9 | PANW | Palo Alto Networks | 8.9% | 107.5% |
| 10 | QCOM | Qualcomm | 7.5% | 0.7% |
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | EIX | Edison International | -27.0% | -6.5% |
| 2 | PCG | PG&E | -26.7% | -16.9% |
| 3 | PYPL | PayPal | -14.6% | -9.2% |
| 4 | CASY | Casey’s General Stores | -11.9% | 36.4% |
| 5 | AON | Aon PLC | -10.5% | -8.2% |
| 6 | HRL | Hormel Foods | -9.3% | -4.2% |
| 7 | GNRC | Generac | -8.9% | 35.9% |
| 8 | CLX | Clorox | -8.9% | 0.3% |
| 9 | BBY | Best Buy | -8.4% | 23.2% |
| 10 | RCL | Royal Caribbean | -8.3% | -2.6% |
Movers Over The Last Month
And over the last 21 trading days:
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | MRNA | Moderna | 156.0% | 375.9% |
| 2 | PLTR | Palantir Technologies | 51.5% | 4.9% |
| 3 | VEEV | Veeva Systems | 40.2% | 28.0% |
| 4 | CRM | Salesforce | 40.0% | -2.3% |
| 5 | PSKY | Paramount Skydance | 37.1% | -17.8% |
| 6 | NEM | Newmont | 34.5% | 26.8% |
| 7 | SMCI | Super Micro Computer | 31.3% | 27.4% |
| 8 | IT | Gartner | 31.2% | -21.5% |
| 9 | SNDK | SanDisk | 29.0% | 560.0% |
| 10 | COIN | Coinbase Global | 28.6% | -16.8% |
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | DVA | DaVita | -26.7% | 54.9% |
| 2 | EIX | Edison International | -26.4% | -6.5% |
| 3 | TTD | Trade Desk | -23.9% | -63.9% |
| 4 | PCG | PG&E | -23.6% | -16.9% |
| 5 | HONA | Honeywell Aerospace | -23.5% | n/a |
| 6 | APP | AppLovin | -21.2% | -53.7% |
| 7 | APTV | Aptiv | -20.7% | -41.2% |
| 8 | TPR | Tapestry | -19.0% | -2.9% |
| 9 | NRG | NRG Energy | -17.7% | -30.2% |
| 10 | WDC | Western Digital | -17.3% | 161.7% |
A large move is a starting point for research, not a conclusion.
The tables earlier in this report are a map of market attention, not a set of instructions. A stock’s appearance on a winners or losers list is simply information. It signals that something has changed, focusing investor interest and repricing risk in a single session or over a month.
The disciplined response is not to chase the move, but to investigate the business behind it. A daily price change is only the beginning of the story.
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.