S&P 500 Movers | Winners: MRSH, APA, AON | Losers: SMCI, VST, CEG

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

On Friday, March 20, a broad-based downturn weighed on the S&P 500 falling 1.51%, the Dow 30 falling 0.96%, and the Nasdaq 100 falling 1.88%. Most stocks traded lower, with limited bright spots.

Trefis: SPX Stock Insights

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 MRSH Marsh & McLennan 3.3% -4.4%
2 APA APA 2.8% 61.4%
3 AON Aon 2.7% -7.5%
4 TTD Trade Desk 2.6% -36.5%
5 AJG Arthur J. Gallagher 2.5% -16.7%
6 PSKY Paramount Skydance 2.1% -31.4%
7 HUM Humana 2.1% -33.7%
8 T AT&T 2.1% 15.3%
9 GEN Gen Digital 2.0% -22.5%
10 WDAY Workday 1.9% -36.7%

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 SMCI Super Micro Computer -33.3% -29.9%
2 VST Vistra -12.8% -9.4%
3 CEG Constellation Energy -10.9% -20.1%
4 MOS Mosaic -10.0% -1.2%
5 NRG NRG Energy -9.7% -8.2%
6 SNDK SanDisk -8.1% 199.0%
7 WDC Western Digital -7.5% 70.2%
8 CIEN Ciena -7.0% 64.1%
9 GLW Corning -6.4% 42.5%
10 FIX Comfort Systems USA -6.1% 45.4%

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 Trade Desk (TTD) and Workday (WDAY) attractive.

Individual stocks can be volatile, but markets aren’t spared either. Think 2008 and 2020. Volatility happens. See how Trefis’ Boston-based wealth management partner’s asset allocation framework handled both.

Movers – Last One Week

Analysing over the last one week (5 trading days), selling pressure hit the S&P 500 falling 1.90%, the Dow 30 falling 2.11%, and the Nasdaq 100 falling 1.98%. Declines were common, though some stocks held steady.

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 CIEN Ciena 13.8% 64.1%
2 APA APA 13.5% 61.4%
3 BKR Baker Hughes 11.2% 33.0%
4 HAL Halliburton 8.4% 29.9%
5 DAL Delta Air Lines 7.9% -8.3%
6 WDC Western Digital 7.6% 70.2%
7 LRCX Lam Research 7.6% 33.6%
8 SNDK SanDisk 7.3% 199.0%
9 APO Apollo Global Management 7.2% -22.3%
10 STX Seagate Technology 7.2% 49.3%

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 SMCI Super Micro Computer -33.2% -29.9%
2 MOS Mosaic -19.5% -1.2%
3 NEM Newmont -12.6% -3.9%
4 TTD Trade Desk -11.8% -36.5%
5 PSA Public Storage -10.7% 3.5%
6 CPAY Corpay -9.5% -4.5%
7 IP International Paper -9.4% -13.4%
8 SW Smurfit WestRock -8.9% -5.5%
9 GPC Genuine Parts -8.9% -20.9%
10 ES Eversource Energy -8.8% 0.1%

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.