S&P 500 Movers | Winners: MU, LRCX, CEG | Losers: NOW, FDS, GNRC

SPY: S&P 500 logo
SPY
S&P 500

On Thursday, December 18, a market-wide surge lifted the S&P 500 rising 0.79%, the Dow 30 rising 0.14%, and the Nasdaq 100 rising 1.51%. 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 MU Micron Technology 10.2% 196.2%
2 LRCX Lam Research 6.3% 130.1%
3 CEG Constellation Energy 5.9% 62.3%
4 APP AppLovin 5.7% 114.4%
5 WDC Western Digital 5.3% 294.0%
6 STX Seagate Technology 5.2% 244.0%
7 SBUX Starbucks 4.9% 0.6%
8 PLTR Palantir Technologies 4.7% 145.5%
9 DASH DoorDash 4.4% 37.7%
10 KLAC KLA 4.3% 95.7%

 
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 NOW ServiceNow -80.4% -27.7%
2 FDS FactSet Research Systems -7.7% -42.4%
3 GNRC Generac -5.4% -11.6%
4 FANG Diamondback Energy -4.6% -7.7%
5 HPQ HP -4.0% -24.9%
6 DELL Dell Technologies -3.9% 8.6%
7 MPC Marathon Petroleum -3.7% 23.2%
8 LEN Lennar -3.5% -19.2%
9 APA APA -3.3% 8.6%
10 DVN Devon Energy -3.3% 12.2%

 
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 Micron Technology (MU) and Western Digital (WDC) 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

Analysing over the last one week (5 trading days), weakness was evident in the S&P 500 falling 1.83%, the Dow 30 falling 1.54%, and the Nasdaq 100 falling 2.60%. The pullback was broad, but select names remained resilient.
 
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 LULU Lululemon Athletica 15.0% -43.7%
2 CMCSA Comcast 9.7% -16.3%
3 TSLA Tesla 8.2% 19.7%
4 CMG Chipotle Mexican Grill 7.9% -37.6%
5 ARE Alexandria Real Estate Equities 7.4% -47.4%
6 IT Gartner 7.3% -48.5%
7 PCG PG&E 6.7% -21.2%
8 BALL Ball 6.6% -3.4%
9 SBUX Starbucks 5.5% 0.6%
10 GIS General Mills 5.4% -20.1%

 
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 NOW ServiceNow -82.3% -27.7%
2 AVGO Broadcom -18.8% 43.3%
3 GNRC Generac -18.3% -11.6%
4 SMCI Super Micro Computer -13.7% -3.6%
5 DELL Dell Technologies -11.3% 8.6%
6 COIN Coinbase Global -11.1% -3.7%
7 IRM Iron Mountain -10.4% -22.3%
8 MPC Marathon Petroleum -10.2% 23.2%
9 PSX Phillips 66 -10.0% 17.6%
10 ETN Eaton -9.8% -3.6%

 
Movers – Last One Month

On a slightly wider timeline over the last one month, markets rallied broadly, with the S&P 500 rising 2.38%, the Dow 30 rising 4.04%, and the Nasdaq 100 rising 2.11%. While many stocks participated in the rally, some lagged behind.
 
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 DG Dollar General 32.3% 84.9%
2 APP AppLovin 32.0% 114.4%
3 LULU Lululemon Athletica 31.2% -43.7%
4 LUV Southwest Airlines 27.4% 23.3%
5 MCHP Microchip Technology 25.9% 15.2%
6 DLTR Dollar Tree 24.9% 69.3%
7 MRNA Moderna 24.2% -25.6%
8 KEY KeyCorp 23.2% 28.1%
9 EL Estee Lauder Companies 23.0% 46.5%
10 DAL Delta Air Lines 22.8% 17.3%

 
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 DDOG Datadog -21.6% -3.2%
2 PSKY Paramount Skydance -18.8% 11.5%
3 ORCL Oracle -18.4% 9.1%
4 NFLX Netflix -17.6% 5.5%
5 SMCI Super Micro Computer -15.8% -3.6%
6 MPC Marathon Petroleum -15.8% 23.2%
7 AMD Advanced Micro Devices -12.7% 66.5%
8 VLO Valero Energy -12.7% 36.3%
9 UBER Uber Technologies -12.3% 32.1%
10 PODD Insulet -12.2% 12.2%

 

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.