S&P 500 Movers | Winners: CCI, MRNA, HUM | Losers: TMUS, T, VZ
The S&P 500 gained 0.6% on Friday, October 9, while the Nasdaq-100 rose 0.5% and the Dow Jones Industrial Average advanced 0.8%. Over the past week the S&P 500 is up 1.2%, and over the past month it is up 2.9%.
Gainers outnumbered decliners 319 to 184 within the S&P 500. Crown Castle (CCI) gained 15.6% to lead the day, while T-Mobile US (TMUS) fell 13.3%, the weakest showing.
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 | CCI | Crown Castle | 15.6% | -6.9% |
| 2 | MRNA | Moderna | 14.2% | n/a |
| 3 | HUM | Humana | 11.6% | 69.9% |
| 4 | AMT | American Tower | 9.3% | 7.0% |
| 5 | SBAC | SBA Communications | 7.3% | -3.8% |
| 6 | DDOG | Datadog | 7.1% | 115.6% |
| 7 | AKAM | Akamai Technologies | 6.0% | 22.6% |
| 8 | CIEN | Ciena | 5.6% | 92.3% |
| 9 | LITE | Lumentum | 5.2% | 199.3% |
| 10 | PLTR | Palantir Technologies | 5.2% | 17.6% |
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 | TMUS | T-Mobile US | -13.3% | -25.6% |
| 2 | T | AT&T | -9.8% | -6.5% |
| 3 | VZ | Verizon Communications | -8.7% | 9.1% |
| 4 | HPQ | HP | -6.9% | 40.8% |
| 5 | CHTR | Charter Communications | -5.7% | -50.5% |
| 6 | FICO | Fair Isaac | -5.6% | -60.5% |
| 7 | SWKS | Skyworks Solutions | -5.4% | 22.9% |
| 8 | MOS | Mosaic | -5.0% | -20.1% |
| 9 | DE | Deere | -4.8% | 34.4% |
| 10 | BG | Bunge Global | -4.7% | 17.4% |
Some Of Friday’s Biggest Moves Were Weeks In The Making
Moderna (MRNA) added to a longer run: after Friday’s 14.2% gain, the stock is up 64.7% over the past month, and it was already up 44.2% before Friday.
The 13.3% decline in T-Mobile US (TMUS) on Friday was not a one-off: the stock is down 16.1% over the past month, and down 3.3% over the sessions before Friday.
Datadog (DDOG) appears on both the one-day and one-month winners lists. It rose 7.1% on Friday and is up 32.3% over the past month; excluding Friday, it had already gained 23.5% over the other sessions.
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 | PTC | PTC | 35.0% | 11.6% |
| 2 | CCI | Crown Castle | 19.9% | -6.9% |
| 3 | MRNA | Moderna | 18.4% | n/a |
| 4 | CEG | Constellation Energy | 15.8% | -15.3% |
| 5 | VST | Vistra | 15.3% | 0.5% |
| 6 | SBAC | SBA Communications | 15.1% | -3.8% |
| 7 | CIEN | Ciena | 14.9% | 92.3% |
| 8 | NRG | NRG Energy | 13.4% | -31.5% |
| 9 | AMT | American Tower | 12.4% | 7.0% |
| 10 | CBOE | Cboe Global Markets | 12.1% | 22.1% |
Losers
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | INTC | Intel | -12.3% | 183.7% |
| 2 | MOS | Mosaic | -11.1% | -20.1% |
| 3 | TER | Teradyne | -10.3% | 108.3% |
| 4 | SWKS | Skyworks Solutions | -10.2% | 22.9% |
| 5 | CHRW | C.H. Robinson Worldwide | -9.8% | -10.5% |
| 6 | DE | Deere | -9.6% | 34.4% |
| 7 | TMUS | T-Mobile US | -9.2% | -25.6% |
| 8 | ON | ON Semiconductor | -8.7% | 43.2% |
| 9 | LRCX | Lam Research | -8.2% | 86.8% |
| 10 | SNDK | SanDisk | -8.0% | 566.4% |
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 | MRNA | Moderna | 64.7% | n/a |
| 2 | P | Everpure | 64.2% | n/a |
| 3 | PTC | PTC | 51.1% | 11.6% |
| 4 | ILMN | Illumina | 38.2% | 112.1% |
| 5 | CIEN | Ciena | 34.4% | 92.3% |
| 6 | HPE | Hewlett Packard Enterprise | 33.4% | 209.5% |
| 7 | DDOG | Datadog | 32.3% | 115.6% |
| 8 | CRWD | CrowdStrike | 31.7% | 134.7% |
| 9 | NTAP | NetApp | 29.5% | 124.9% |
| 10 | SNPS | Synopsys | 28.4% | 8.6% |
Losers
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | FICO | Fair Isaac | -30.5% | -60.5% |
| 2 | MGM | MGM Resorts International | -28.1% | -19.8% |
| 3 | CHTR | Charter Communications | -26.5% | -50.5% |
| 4 | MOS | Mosaic | -26.2% | -20.1% |
| 5 | GEN | Gen Digital | -22.4% | -13.2% |
| 6 | BG | Bunge Global | -17.5% | 17.4% |
| 7 | CF | CF Industries | -17.4% | 46.3% |
| 8 | ALB | Albemarle | -16.8% | -27.8% |
| 9 | CMCSA | Comcast | -16.6% | n/a |
| 10 | TMUS | T-Mobile US | -16.1% | -25.6% |
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.