S&P 500 Movers | Winners: TER, HPE, ECHO | Losers: WDC, STX, ACN
On Friday, October 2, the S&P 500 rose 0.7%, the Nasdaq-100 jumped 1.0% and the Dow Jones Industrial Average gained 0.5%. The S&P 500 is now down 0.3% over five trading days and up 0.7% over the past month.
Gainers outnumbered decliners 296 to 204 within the S&P 500. The day’s best return belonged to Teradyne (TER) (+8.0%) and the worst to Western Digital (WDC) (-10.2%).

Friday’s S&P 500 Winners
The 10 S&P 500 stocks with the highest returns on Friday:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | TER | Teradyne | 8.0% | 132.3% |
| 2 | HPE | Hewlett Packard Enterprise | 7.4% | 192.1% |
| 3 | ECHO | EchoStar | 6.8% | -13.3% |
| 4 | ON | ON Semiconductor | 6.0% | 56.8% |
| 5 | MPWR | Monolithic Power Systems | 5.8% | 59.6% |
| 6 | COHR | Coherent | 5.6% | 82.6% |
| 7 | NTAP | NetApp | 5.2% | 114.1% |
| 8 | TSLA | Tesla | 4.7% | -17.6% |
| 9 | URI | United Rentals | 4.5% | 34.4% |
| 10 | P | Everpure | 4.5% | n/a |
Friday’s S&P 500 Losers
And the 10 S&P 500 stocks with the lowest returns on Friday:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | WDC | Western Digital | -10.2% | 141.3% |
| 2 | STX | Seagate Technology | -10.2% | 209.3% |
| 3 | ACN | Accenture | -6.3% | -23.9% |
| 4 | APP | AppLovin | -4.7% | -60.2% |
| 5 | FDS | FactSet Research Systems | -4.2% | -7.1% |
| 6 | IT | Gartner | -4.1% | -26.7% |
| 7 | CTSH | Cognizant Technology Solutions | -3.9% | -28.2% |
| 8 | SNDK | SanDisk | -3.8% | 624.6% |
| 9 | NKE | Nike | -3.6% | -45.4% |
| 10 | LDOS | Leidos | -3.5% | -34.1% |
For A Few Names, Friday Extended A Monthly Trend
The 8.0% gain in Teradyne (TER) on Friday was not a one-off: the stock is up 31.5% over the past month, and up 21.8% over the sessions before Friday.
Hewlett Packard Enterprise (HPE) appears on both the one-day and one-month winners lists. It rose 7.4% on Friday and is up 34.1% over the past month; excluding Friday, it had already gained 24.9% over the other sessions.
Everpure (P) added to a longer run: after Friday’s 4.5% gain, the stock is up 51.6% over the past month, and it was already up 45.1% before Friday.
Movers Over The Last Week
Widening the window to five trading days, these are the strongest and weakest names in the S&P 500:
Winners
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | CCL | Carnival Corporation | 15.8% | -14.3% |
| 2 | LITE | Lumentum | 15.3% | 194.5% |
| 3 | SNPS | Synopsys | 15.1% | 4.3% |
| 4 | RCL | Royal Caribbean | 14.4% | 1.2% |
| 5 | COHR | Coherent | 13.9% | 82.6% |
| 6 | ACN | Accenture | 12.9% | -23.9% |
| 7 | TER | Teradyne | 12.7% | 132.3% |
| 8 | NTAP | NetApp | 12.5% | 114.1% |
| 9 | AMAT | Applied Materials | 11.3% | 110.9% |
| 10 | P | Everpure | 11.2% | n/a |
Losers
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | FICO | Fair Isaac | -23.4% | -60.9% |
| 2 | APP | AppLovin | -13.7% | -60.2% |
| 3 | GPN | Global Payments | -9.4% | 2.3% |
| 4 | WDC | Western Digital | -9.1% | 141.3% |
| 5 | IP | International Paper | -8.7% | -15.9% |
| 6 | QCOM | Qualcomm | -8.5% | 9.8% |
| 7 | MOS | Mosaic | -8.4% | -10.1% |
| 8 | FIS | Fidelity National Information Services | -8.4% | -49.6% |
| 9 | SW | Smurfit WestRock | -8.3% | 13.3% |
| 10 | WY | Weyerhaeuser | -7.7% | -20.0% |
Movers Over The Last Month
And over the last 21 trading days, the strongest and weakest names in the S&P 500:
Winners
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | P | Everpure | 51.6% | n/a |
| 2 | AMD | Advanced Micro Devices | 38.7% | 196.0% |
| 3 | HPE | Hewlett Packard Enterprise | 34.1% | 192.1% |
| 4 | BE | Bloom Energy | 33.1% | 232.8% |
| 5 | CRWD | CrowdStrike | 32.7% | 130.4% |
| 6 | INTC | Intel | 32.5% | 223.4% |
| 7 | DDOG | Datadog | 32.5% | 103.9% |
| 8 | MRVL | Marvell Technology | 31.9% | 220.9% |
| 9 | TER | Teradyne | 31.5% | 132.3% |
| 10 | ILMN | Illumina | 28.0% | 108.2% |
Losers
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | FICO | Fair Isaac | -39.9% | -60.9% |
| 2 | CHTR | Charter Communications | -31.3% | -47.6% |
| 3 | GEN | Gen Digital | -28.3% | -17.9% |
| 4 | MGM | MGM Resorts International | -26.4% | -16.5% |
| 5 | EFX | Equifax | -24.5% | -34.9% |
| 6 | ALB | Albemarle | -23.8% | -25.4% |
| 7 | FIS | Fidelity National Information Services | -21.6% | -49.6% |
| 8 | LULU | Lululemon Athletica | -21.3% | -54.5% |
| 9 | GIS | General Mills | -21.1% | -27.8% |
| 10 | PAYX | Paychex | -20.2% | -8.8% |
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 S&P 500, the S&P MidCap 400, and the Russell 2000. Watch the movers for information; let the portfolio do the compounding.