07/24/2026 | Press release | Distributed by Public on 07/23/2026 23:54
A sharp divergence at the top and bottom of the market highlights a key theme for investors.
The S&P 500 returned -1.2% on a day of broad declines. The session's most dramatic move was in Tesla (TSLA), which returned -14.5%, while the day's top gainer, Lockheed Martin (LMT), returned +10.5%. The contrast between these extremes raises a critical question about what the market is pricing into different kinds of businesses. The one-day tables detail these and other significant moves.
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 | LMT | Lockheed Martin | 10.5% | 19.0% |
| 2 | ALLE | Allegion | 10.4% | -2.2% |
| 3 | URI | United Rentals | 10.1% | 41.4% |
| 4 | TMO | Thermo Fisher Scientific | 8.7% | -1.0% |
| 5 | DGX | Quest Diagnostics | 8.6% | 33.0% |
| 6 | DHR | Danaher | 7.5% | -15.6% |
| 7 | RTX | RTX | 7.3% | 14.9% |
| 8 | CSX | CSX | 5.8% | 46.6% |
| 9 | HON | Honeywell International | 5.7% | 20.0% |
| 10 | ROP | Roper Technologies | 5.5% | -19.7% |
Thursday's S&P 500 Losers
And the 10 stocks with the lowest returns:
| # | Ticker | Company Name |
1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | TSLA | Tesla | -14.5% | -28.9% |
| 2 | TMUS | T-Mobile US | -10.7% | -15.2% |
| 3 | ROL | Rollins | -9.3% | -33.9% |
| 4 | DOV | Dover | -7.8% | 1.8% |
| 5 | GOOGL | Alphabet | -7.1% | 1.6% |
| 6 | GL | Globe Life | -7.0% | 23.1% |
| 7 | GOOG | Alphabet | -6.9% | 1.6% |
| 8 | CMCSA | Comcast | -6.8% | -19.0% |
| 9 | LUV | Southwest Airlines | -6.2% | 9.1% |
| 10 | DECK | Deckers Outdoor | -6.1% | -7.2% |
What separates the day's biggest winner from its biggest loser?
The data reveals a stark difference in valuation. Lockheed Martin (LMT) trades at 27.3 times trailing earnings and its revenue grew 4.6% over the last twelve months. In contrast, Tesla (TSLA) trades at 272.0 times trailing earnings, with revenue growth of 11.8% over the same period. The day's divergent performance occurred in two companies carrying vastly different investor expectations.
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 | SMCI | Super Micro Computer | 26.4% | 6.6% |
| 2 | STX | Seagate Technology | 22.5% | 232.5% |
| 3 | WDC | Western Digital | 19.6% | 224.3% |
| 4 | LITE | Lumentum | 18.0% | 126.2% |
| 5 | MU | Micron Technology | 16.1% | 247.1% |
| 6 | TER | Teradyne | 16.0% | 93.2% |
| 7 | SNDK | SanDisk | 14.1% | 578.4% |
| 8 | COHR | Coherent | 13.1% | 69.7% |
| 9 | WAB | Westinghouse Air Brake Technologies | 12.9% | 39.9% |
| 10 | DELL | Dell Technologies | 12.4% | 252.2% |
| # | Ticker | Company Name |
1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | TSLA | Tesla | -18.3% | -28.9% |
| 2 | ISRG | Intuitive Surgical | -17.5% | -41.4% |
| 3 | CVNA | Carvana | -14.8% | -28.7% |
| 4 | MSCI | MSCI | -13.3% | -3.0% |
| 5 | ROL | Rollins | -13.2% | -33.9% |
| 6 | TTD | Trade Desk | -12.2% | -55.8% |
| 7 | WDAY | Workday | -12.1% | -40.5% |
| 8 | DECK | Deckers Outdoor | -11.7% | -7.2% |
| 9 | TMUS | T-Mobile US | -11.6% | -15.2% |
| 10 | NOW | ServiceNow | -11.6% | -40.0% |
Movers Over The Last Month
And over the last 21 trading days:
| # | Ticker | Company Name |
1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | PYPL | PayPal | 34.3% | -3.5% |
| 2 | TECH | Bio-Techne | 27.6% | 22.4% |
| 3 | MPC | Marathon Petroleum | 25.7% | 93.7% |
| 4 | VLO | Valero Energy | 25.3% | 89.6% |
| 5 | CF | CF Industries | 24.0% | 65.4% |
| 6 | CRL | Charles River Laboratories International | 22.9% | 14.9% |
| 7 | TMO | Thermo Fisher Scientific | 21.9% | -1.0% |
| 8 | PSX | Phillips 66 | 21.5% | 62.9% |
| 9 | GPN | Global Payments | 21.1% | 1.3% |
| 10 | IQV | IQVIA | 21.0% | -8.0% |
| # | Ticker | Company Name |
1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | ORCL | Oracle | -27.1% | -37.8% |
| 2 | MRVL | Marvell Technology | -25.0% | 146.7% |
| 3 | INTC | Intel | -24.2% | 171.6% |
| 4 | GNRC | Generac | -23.3% | 54.4% |
| 5 | ON | ON Semiconductor | -23.0% | 66.4% |
| 6 | ALB | Albemarle | -22.0% | -16.9% |
| 7 | IBM | International Business Machines | -22.0% | -29.3% |
| 8 | GLW | Corning | -19.6% | 78.8% |
| 9 | SNPS | Synopsys | -19.1% | -20.5% |
| 10 | SNDK | SanDisk | -18.0% | 578.4% |
A movers list is a map of attention, not a set of instructions.
The tables earlier show where capital and attention flowed. Some moves are fleeting, while others show persistence, like Thermo Fisher Scientific (TMO) appearing on both the daily and monthly winners lists with a one-month return of +21.9%. A large price change is simply information. It signals a shift in risk or perception, but it never tells you what to do next. The disciplined follow-up is always to check the business behind the ticker.
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.