S&P 500 Movers | Winners: WAT, INTC, SNDK | Losers: HII, FISV, POOL
On Tuesday, May 5, a market-wide surge lifted the S&P 500 rising 0.81%, the Dow 30 rising 0.73%, and the Nasdaq 100 rising 1.31%. Gains were broad-based, though not every stock joined the rally.

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 | WAT | Waters | 13.5% | -9.8% |
| 2 | INTC | Intel | 12.9% | 193.1% |
| 3 | SNDK | SanDisk | 12.0% | 492.4% |
| 4 | AKAM | Akamai Technologies | 11.5% | 35.2% |
| 5 | MU | Micron Technology | 11.1% | 124.4% |
| 6 | QCOM | Qualcomm | 10.8% | 9.8% |
| 7 | IQV | IQVIA | 9.6% | -21.7% |
| 8 | EXPD | Expeditors International of Washington | 9.6% | 2.7% |
| 9 | ROK | Rockwell Automation | 8.9% | 12.4% |
| 10 | DD | DuPont de Nemours | 8.4% | 23.0% |
List of S&P 500 Losers
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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 | HII | Huntington Ingalls Industries | -10.2% | -3.8% |
| 2 | FISV | Fiserv | -8.8% | -14.7% |
| 3 | POOL | Pool | -8.0% | -17.7% |
| 4 | APTV | Aptiv | -7.9% | -27.9% |
| 5 | LDOS | Leidos | -7.8% | -23.8% |
| 6 | PYPL | PayPal | -7.7% | -20.1% |
| 7 | PLTR | Palantir Technologies | -6.9% | -23.5% |
| 8 | BALL | Ball | -6.3% | 8.1% |
| 9 | CHTR | Charter Communications | -4.3% | -24.2% |
| 10 | PSKY | Paramount Skydance | -4.2% | -20.0% |
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.
Smart investing isn’t about stock picking or prediction, it’s about asset allocation. See how Trefis’ Boston-based wealth management partner does it. It has included the High Quality Portfolio as part of its asset allocation strategy.
Movers – Last One Week
Analysing over the last one week (5 trading days), a market-wide surge lifted the S&P 500 rising 1.69%, the Dow 30 rising 0.32%, and the Nasdaq 100 rising 3.65%. Gains were broad-based, though not every stock joined the rally.
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 | SNDK | SanDisk | 40.3% | 492.4% |
| 2 | STX | Seagate Technology | 33.2% | 180.5% |
| 3 | INTC | Intel | 28.0% | 193.1% |
| 4 | MU | Micron Technology | 27.0% | 124.4% |
| 5 | NXPI | NXP Semiconductors | 26.9% | 35.4% |
| 6 | LITE | Lumentum | 25.7% | 169.8% |
| 7 | QCOM | Qualcomm | 24.4% | 9.8% |
| 8 | AKAM | Akamai Technologies | 23.6% | 35.2% |
| 9 | PWR | Quanta Services | 22.3% | 82.9% |
| 10 | GNRC | Generac | 21.4% | 93.4% |
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 | BLDR | Builders FirstSource | -15.4% | -27.5% |
| 2 | POOL | Pool | -13.5% | -17.7% |
| 3 | ODFL | Old Dominion Freight Line | -11.6% | 25.2% |
| 4 | CHRW | C.H. Robinson Worldwide | -11.1% | 4.3% |
| 5 | GEHC | GE HealthCare Technologies | -10.9% | -25.5% |
| 6 | CLX | Clorox | -10.8% | -12.6% |
| 7 | WTW | Willis Towers Watson | -10.8% | -20.8% |
| 8 | META | Meta Platforms | -9.9% | -8.3% |
| 9 | HII | Huntington Ingalls Industries | -9.8% | -3.8% |
| 10 | PH | Parker Hannifin | -9.3% | -0.5% |
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 9.79%, the Dow 30 rising 5.63%, and the Nasdaq 100 rising 15.80%. 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 | 113.0% | 193.1% |
| 2 | SNDK | SanDisk | 94.1% | 492.4% |
| 3 | STX | Seagate Technology | 70.1% | 180.5% |
| 4 | MU | Micron Technology | 69.5% | 124.4% |
| 5 | ON | ON Semiconductor | 61.7% | 89.6% |
| 6 | AMD | Advanced Micro Devices | 61.3% | 65.9% |
| 7 | WDC | Western Digital | 53.0% | 170.2% |
| 8 | CNC | Centene | 49.7% | 28.7% |
| 9 | QCOM | Qualcomm | 48.4% | 9.8% |
| 10 | NXPI | NXP Semiconductors | 48.3% | 35.4% |
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 | CHTR | Charter Communications | -28.1% | -24.2% |
| 2 | TSCO | Tractor Supply | -28.0% | -34.4% |
| 3 | LMT | Lockheed Martin | -20.2% | 5.8% |
| 4 | HII | Huntington Ingalls Industries | -20.0% | -3.8% |
| 5 | EPAM | EPAM Systems | -20.0% | -46.5% |
| 6 | NOC | Northrop Grumman | -19.7% | -1.7% |
| 7 | PODD | Insulet | -17.7% | -41.1% |
| 8 | CLX | Clorox | -16.9% | -12.6% |
| 9 | CTSH | Cognizant Technology Solutions | -16.8% | -37.2% |
| 10 | LULU | Lululemon Athletica | -16.6% | -37.3% |
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.