S&P 500 Movers | Winners: SMCI, CRL, ECHO | Losers: T, DXCM, NFLX
On Wednesday, October 21, the S&P 500 gained 0.6%, the Nasdaq-100 rallied 1.1% and the Dow Jones Industrial Average rose 0.7%. Over the past week the S&P 500 is up 0.5%, and over the past month it is down 0.1%.
Within the S&P 500, 281 stocks rose and 220 fell. The day’s best return belonged to Super Micro Computer (SMCI) (+9.5%) and the worst to AT&T (T) (-6.4%).
Wednesday’s S&P 500 Winners
The 10 S&P 500 stocks with the highest returns on Wednesday:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | SMCI | Super Micro Computer | 9.5% | 21.5% |
| 2 | CRL | Charles River Laboratories International | 9.3% | 72.9% |
| 3 | ECHO | EchoStar | 7.2% | -14.8% |
| 4 | BE | Bloom Energy | 7.1% | 174.5% |
| 5 | DDOG | Datadog | 6.5% | 100.8% |
| 6 | CIEN | Ciena | 5.7% | 54.5% |
| 7 | ILMN | Illumina | 5.6% | 115.7% |
| 8 | DELL | Dell Technologies | 5.3% | 290.1% |
| 9 | CRWD | CrowdStrike | 5.3% | 104.2% |
| 10 | PLTR | Palantir Technologies | 4.7% | 13.5% |
Wednesday’s S&P 500 Losers
And the 10 S&P 500 stocks with the lowest returns on Wednesday:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | T | AT&T | -6.4% | -7.6% |
| 2 | DXCM | DexCom | -6.4% | 20.9% |
| 3 | NFLX | Netflix | -5.3% | -30.6% |
| 4 | CMG | Chipotle Mexican Grill | -5.2% | -24.0% |
| 5 | EXPE | Expedia | -5.0% | 1.4% |
| 6 | SBAC | SBA Communications | -4.2% | -8.6% |
| 7 | DASH | DoorDash | -3.8% | -18.6% |
| 8 | LULU | Lululemon Athletica | -3.4% | -53.5% |
| 9 | BKNG | Booking Holdings | -3.4% | -25.5% |
| 10 | AMT | American Tower | -3.2% | 4.3% |
Some Of Wednesday’s Biggest Moves Were Weeks In The Making
Charles River Laboratories International (CRL) added to a longer run: after Wednesday’s 9.3% gain, the stock is up 21.0% over the past month, and it was already up 10.6% before Wednesday.
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 | HAS | Hasbro | 19.4% | 42.2% |
| 2 | EFX | Equifax | 16.8% | -18.4% |
| 3 | CRL | Charles River Laboratories International | 14.2% | 72.9% |
| 4 | IT | Gartner | 12.2% | -13.0% |
| 5 | ACN | Accenture | 11.8% | -7.3% |
| 6 | CTSH | Cognizant Technology Solutions | 11.3% | -14.7% |
| 7 | FICO | Fair Isaac | 10.5% | -53.0% |
| 8 | HLT | Hilton Worldwide | 10.4% | 26.3% |
| 9 | FDS | FactSet Research Systems | 10.4% | 11.8% |
| 10 | IBM | International Business Machines | 10.3% | -13.4% |
Losers
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | FLEX | FLEX | -14.1% | 42.8% |
| 2 | COHR | Coherent | -9.8% | 28.7% |
| 3 | FIX | Comfort Systems USA | -9.1% | 50.4% |
| 4 | LRCX | Lam Research | -9.1% | 52.8% |
| 5 | PWR | Quanta Services | -9.0% | 42.5% |
| 6 | KLAC | KLA | -8.6% | 35.0% |
| 7 | AMAT | Applied Materials | -8.4% | 59.7% |
| 8 | GM | General Motors | -8.4% | -5.8% |
| 9 | CMG | Chipotle Mexican Grill | -7.9% | -24.0% |
| 10 | NFLX | Netflix | -7.8% | -30.6% |
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 | PTC | PTC | 38.8% | 11.6% |
| 2 | MRNA | Moderna | 34.6% | n/a |
| 3 | ACN | Accenture | 31.8% | -7.3% |
| 4 | HAS | Hasbro | 31.2% | 42.2% |
| 5 | VEEV | Veeva Systems | 22.9% | 43.6% |
| 6 | IT | Gartner | 22.8% | -13.0% |
| 7 | RCL | Royal Caribbean | 22.8% | 5.1% |
| 8 | CCL | Carnival Corporation | 22.5% | -9.2% |
| 9 | CRL | Charles River Laboratories International | 21.0% | 72.9% |
| 10 | MPC | Marathon Petroleum | 20.1% | 191.1% |
Losers
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | MOS | Mosaic | -28.5% | -24.6% |
| 2 | SNDK | SanDisk | -27.0% | 480.6% |
| 3 | MGM | MGM Resorts International | -25.8% | -20.9% |
| 4 | INTC | Intel | -24.9% | 151.9% |
| 5 | FLEX | FLEX | -24.6% | 42.8% |
| 6 | STX | Seagate Technology | -24.2% | 153.9% |
| 7 | AKAM | Akamai Technologies | -23.7% | 3.5% |
| 8 | COHR | Coherent | -23.5% | 28.7% |
| 9 | ARE | Alexandria Real Estate Equities | -20.3% | -9.8% |
| 10 | ALB | Albemarle | -19.1% | -32.6% |
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.