S&P 500 Movers | Winners: SNDK, GLW, INTC | Losers: ACN, CTSH, KR
On Thursday, June 18, markets rallied broadly, with the S&P 500 rising 1.08%, the Dow 30 rising 0.14%, and the Nasdaq 100 rising 2.48%. While many stocks participated in the rally, some lagged behind.

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 | SNDK | SanDisk | 11.5% | 820.4% |
| 2 | GLW | Corning | 11.1% | 123.4% |
| 3 | INTC | Intel | 10.6% | 263.1% |
| 4 | SMCI | Super Micro Computer | 10.4% | 4.7% |
| 5 | KLAC | KLA | 8.7% | 114.2% |
| 6 | MU | Micron Technology | 8.7% | 297.5% |
| 7 | MPWR | Monolithic Power Systems | 8.0% | 72.9% |
| 8 | Q | Qnity Electronics | 7.8% | 107.2% |
| 9 | ON | ON Semiconductor | 7.7% | 124.6% |
| 10 | TER | Teradyne | 7.2% | 126.4% |
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 | ACN | Accenture | -18.0% | -51.6% |
| 2 | CTSH | Cognizant Technology Solutions | -10.5% | -46.7% |
| 3 | KR | Kroger | -8.4% | -8.5% |
| 4 | STLD | Steel Dynamics | -7.5% | 47.9% |
| 5 | OMC | Omnicom | -6.5% | -9.8% |
| 6 | LHX | L3Harris Technologies | -5.9% | 1.2% |
| 7 | NOC | Northrop Grumman | -5.2% | -7.8% |
| 8 | IBM | International Business Machines | -5.1% | -14.8% |
| 9 | IT | Gartner | -4.6% | -49.5% |
| 10 | SLB | SLB | -4.5% | 26.7% |
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 Super Micro Computer (SMCI) and Accenture (ACN) attractive.
You can’t predict what happens to individual stocks, but you can prepare. See how the Trefis High Quality Portfolio helps you.
Movers – Last One Week
Analysing over the last one week (5 trading days), broader market witnessed strong advances in the S&P 500 rising 1.44%, the Dow 30 rising 1.41%, and the Nasdaq 100 rising 3.26%. Participation was broad, although not entirely uniform.
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 | WDC | Western Digital | 41.0% | 333.5% |
| 2 | MRNA | Moderna | 28.8% | 116.9% |
| 3 | STX | Seagate Technology | 23.3% | 289.3% |
| 4 | GEV | GE Vernova | 22.4% | 70.1% |
| 5 | HOOD | Robinhood Markets | 17.3% | -4.4% |
| 6 | SNDK | SanDisk | 16.1% | 820.4% |
| 7 | TER | Teradyne | 14.8% | 126.4% |
| 8 | INTC | Intel | 14.6% | 263.1% |
| 9 | MU | Micron Technology | 13.9% | 297.5% |
| 10 | Q | Qnity Electronics | 13.3% | 107.2% |
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 | ACN | Accenture | -23.6% | -51.6% |
| 2 | FOXA | Fox | -23.5% | -28.2% |
| 3 | FOX | Fox | -23.5% | -27.3% |
| 4 | CBOE | Cboe Global Markets | -15.8% | -0.3% |
| 5 | SATS | EchoStar | -14.8% | 0.4% |
| 6 | CTSH | Cognizant Technology Solutions | -14.6% | -46.7% |
| 7 | IT | Gartner | -14.3% | -49.5% |
| 8 | SLB | SLB | -14.1% | 26.7% |
| 9 | HAL | Halliburton | -12.1% | 24.7% |
| 10 | LDOS | Leidos | -11.9% | -40.3% |
Movers – Last One Month
On a slightly wider timeline over the last one month, a market-wide surge lifted the S&P 500 rising 2.00%, the Dow 30 rising 4.46%, and the Nasdaq 100 rising 5.51%. Gains were broad-based, though not every stock joined the rally.
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 | DELL | Dell Technologies | 74.1% | 226.7% |
| 2 | WDC | Western Digital | 63.8% | 333.5% |
| 3 | MU | Micron Technology | 62.3% | 297.5% |
| 4 | SNDK | SanDisk | 57.9% | 820.4% |
| 5 | AMAT | Applied Materials | 51.8% | 140.7% |
| 6 | KLAC | KLA | 49.1% | 114.2% |
| 7 | STX | Seagate Technology | 45.9% | 289.3% |
| 8 | HOOD | Robinhood Markets | 45.8% | -4.4% |
| 9 | HPE | Hewlett Packard Enterprise | 45.8% | 99.2% |
| 10 | LRCX | Lam Research | 42.4% | 127.7% |
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 | INTU | Intuit | -33.2% | -59.5% |
| 2 | CBOE | Cboe Global Markets | -31.2% | -0.3% |
| 3 | ACN | Accenture | -27.6% | -51.6% |
| 4 | ADBE | Adobe | -23.5% | -44.2% |
| 5 | CIEN | Ciena | -21.0% | 83.1% |
| 6 | PTC | PTC | -21.0% | -34.1% |
| 7 | ADSK | Autodesk | -20.6% | -34.5% |
| 8 | BSX | Boston Scientific | -20.3% | -52.5% |
| 9 | SATS | EchoStar | -20.0% | 0.4% |
| 10 | KR | Kroger | -19.8% | -8.5% |
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.