S&P 500 Movers | Winners: DDOG, FTNT, AXON | Losers: ZTS, TPR, TER
On Thursday, May 7, all three indices fell — the S&P 500 falling 0.38%, the Dow 30 falling 0.63%, and the Nasdaq 100 falling 0.12%. Losses were widespread, though not universal.

List of S&P 500 Winners
The following table shows the list of 10 stocks that generated the highest returns on the last trading day:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | DDOG | Datadog | 31.3% | 38.8% |
| 2 | FTNT | Fortinet | 20.0% | 36.0% |
| 3 | AXON | Axon Enterprise | 10.6% | -24.8% |
| 4 | VTRS | Viatris | 9.0% | 40.9% |
| 5 | CRWD | CrowdStrike | 8.0% | 7.9% |
| 6 | PTC | PTC | 8.0% | -15.2% |
| 7 | TECH | Bio-Techne | 7.4% | -13.3% |
| 8 | PANW | Palo Alto Networks | 7.0% | 6.7% |
| 9 | WDAY | Workday | 6.7% | -39.1% |
| 10 | APP | AppLovin | 6.4% | -26.0% |
List of S&P 500 Losers
On the other hand, the following table shows the list of 10 stocks that generated the lowest returns:
| # | Ticker | Company Name | 1-D Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | ZTS | Zoetis | -21.5% | -30.0% |
| 2 | TPR | Tapestry | -12.3% | 2.4% |
| 3 | TER | Teradyne | -7.4% | 83.0% |
| 4 | COHR | Coherent | -7.4% | 72.9% |
| 5 | CIEN | Ciena | -6.6% | 130.4% |
| 6 | GEV | GE Vernova | -6.6% | 60.2% |
| 7 | JBL | Jabil | -6.1% | 53.4% |
| 8 | NRG | NRG Energy | -5.8% | -10.4% |
| 9 | IFF | International Flavors & Fragrances | -5.6% | 16.8% |
| 10 | ETN | Eaton | -5.5% | 25.4% |
Why does this matter? Significant stock moves – up or down – deserve your attention. Sharp declines in fundamentally strong names can offer smart buying opportunities. And when momentum aligns with solid fundamentals, riding the trend can be highly rewarding. Among these stocks, we find PTC (PTC) and Workday (WDAY) attractive.
No matter where SPX stock goes, your portfolio should stay on track. See how the Trefis High Quality Portfolio can help you do that.
Movers – Last One Week
Analyzing over the last week (5 trading days), index performance was mixed — the S&P 500 rising 1.78%, the Dow 30 falling 0.11%, and the Nasdaq 100 rising 4.05% offered no clear consensus. Stock-specific factors shaped outcomes throughout the market.
List of 1-Week S&P 500 Winners
The following table shows the list of 10 stocks that generated the highest returns over the last week:
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | DDOG | Datadog | 42.8% | 38.8% |
| 2 | FTNT | Fortinet | 28.1% | 36.0% |
| 3 | DVA | DaVita | 26.5% | 72.7% |
| 4 | MU | Micron Technology | 25.0% | 126.7% |
| 5 | SMCI | Super Micro Computer | 22.7% | 14.9% |
| 6 | SNDK | SanDisk | 22.2% | 464.5% |
| 7 | DOC | Healthpeak Properties | 21.6% | 25.2% |
| 8 | ORCL | Oracle | 20.6% | 0.4% |
| 9 | VTRS | Viatris | 16.4% | 40.9% |
| 10 | INTC | Intel | 16.0% | 197.1% |
List of 1-Week S&P 500 Losers
Similarly, the following table shows the 10 stocks that were at the bottom in terms of returns:
| # | Ticker | Company Name | 1-W Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | ZTS | Zoetis | -24.1% | -30.0% |
| 2 | CDW | CDW | -19.5% | -18.7% |
| 3 | ANET | Arista Networks | -17.9% | 8.2% |
| 4 | COR | Cencora | -17.0% | -24.2% |
| 5 | HII | Huntington Ingalls Industries | -13.6% | -7.2% |
| 6 | LDOS | Leidos | -12.0% | -27.1% |
| 7 | DVN | Devon Energy | -11.8% | 24.3% |
| 8 | APA | APA | -11.0% | 50.6% |
| 9 | OXY | Occidental Petroleum | -11.0% | 31.8% |
| 10 | POOL | Pool | -10.7% | -16.3% |
Movers – Last One Month
On a slightly wider timeline over the last one month, stocks moved decisively higher, as seen in the S&P 500 rising 8.17%, the Dow 30 rising 3.52%, and the Nasdaq 100 rising 14.70%. Most stocks saw buying, though some stocks missed out.
List of 1-Month S&P 500 Winners
The following table shows the 10 stocks that generated the maximum returns over the last one month:
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | INTC | Intel | 86.0% | 197.1% |
| 2 | AMD | Advanced Micro Devices | 76.2% | 90.7% |
| 3 | SNDK | SanDisk | 71.6% | 464.5% |
| 4 | DDOG | Datadog | 62.0% | 38.8% |
| 5 | MU | Micron Technology | 59.0% | 126.7% |
| 6 | QCOM | Qualcomm | 58.9% | 19.2% |
| 7 | STX | Seagate Technology | 54.4% | 178.8% |
| 8 | CNC | Centene | 47.5% | 33.6% |
| 9 | ON | ON Semiconductor | 47.1% | 85.8% |
| 10 | SMCI | Super Micro Computer | 43.9% | 14.9% |
List of 1-Month S&P 500 Losers
In the same period, these 10 stocks were at the bottom in terms of returns:
| # | Ticker | Company Name | 1-M Returns |
YTD Returns |
|---|---|---|---|---|
| 1 | TSCO | Tractor Supply | -29.9% | -36.2% |
| 2 | CHTR | Charter Communications | -27.7% | -23.2% |
| 3 | ZTS | Zoetis | -26.8% | -30.0% |
| 4 | HII | Huntington Ingalls Industries | -23.5% | -7.2% |
| 5 | COR | Cencora | -21.3% | -24.2% |
| 6 | PODD | Insulet | -21.2% | -43.6% |
| 7 | EPAM | EPAM Systems | -19.8% | -49.1% |
| 8 | NOC | Northrop Grumman | -19.7% | -2.8% |
| 9 | LMT | Lockheed Martin | -18.5% | 6.5% |
| 10 | LDOS | Leidos | -18.3% | -27.1% |
Picking winners on a consistent basis is not an easy task – especially given the volatility associated with a single stock. Instead, the Trefis High Quality (HQ) Portfolio, with a collection of 30 stocks, has a track record of comfortably outperforming its benchmark that includes all 3 – the S&P 500, S&P mid-cap, and Russell 2000 indices. Why is that? As a group, HQ Portfolio stocks provided better returns with less risk versus the benchmark index, less of a roller-coaster ride, as evident in HQ Portfolio performance metrics.