Insight Guru Inc.

08/31/2026 | Press release | Distributed by Public on 08/31/2026 00:23

S&P 500 Movers | Winners: WDAY, DPZ, LULU | Losers: PYPL, MRVL, PCG

S&P 500 Movers | Winners: WDAY, DPZ, LULU | Losers: PYPL, MRVL, PCG

August 31st, 2026 by Trefis Team
SPY
State Street SPDR S&P 500 ETF Trust

A day of sharp divergence raises the question of which moves have staying power and which are just noise.

The S&P 500 edged down 0.2% on a day that saw the Nasdaq-100 fall 0.7%. The day's extremes were wide, led by a -12.7% decline in PayPal (PYPL).

But the most interesting action may be on the upside, where Workday (WDAY) gained +5.8%. This raises a critical question for any investor looking at today's tape: is this a one-day reaction or part of a longer trend?

Photo by ArtsyBee on Pixabay

Friday's S&P 500 Winners

The 10 stocks with the highest returns on the last trading day:

# Ticker Company Name 1-D
Returns 		YTD
Returns
1 WDAY Workday 5.8% -4.7%
2 DPZ Domino's Pizza 5.4% -15.1%
3 LULU Lululemon Athletica 5.1% -41.9%
4 SLB Slb NV 4.2% 51.0%
5 AMZN Amazon.com 4.0% 15.4%
6 EBAY eBay Inc. 3.6% 22.4%
7 CHTR Charter Communications 3.6% -26.4%
8 BG Bunge Global 3.5% 32.0%
9 EXPE Expedia 3.3% 17.0%
10 ZTS Zoetis 3.1% -37.6%

Friday's S&P 500 Losers

And the 10 stocks with the lowest returns:

# Ticker Company Name 1-D
Returns 		YTD
Returns
1 PYPL PayPal -12.7% -7.5%
2 MRVL Marvell Technology -10.3% 155.3%
3 PCG PG&E -7.5% 3.9%
4 GNRC Generac -6.8% 34.8%
5 LITE Lumentum -6.4% 142.8%
6 COIN Coinbase Global -6.3% -21.0%
7 FIX Comfort Systems USA -6.0% 63.0%
8 COHR Coherent -5.5% 51.3%
9 CIEN Ciena -5.4% 61.8%
10 LRCX Lam Research -5.2% 76.7%

Workday's strength is not a one-day event.

Workday (WDAY) appears on both the one-day and one-month winners lists. Its one-month return is a powerful +29.5%. Even excluding today's session, the stock still gained +22.4% over the other sessions this month, confirming the move has duration.

The company trades at 40.1 times trailing earnings on revenue growth of 13.3% over the last twelve months.

Movers Over The Last Week

Widening the window to five trading days, these are the strongest and weakest S&P 500 names:

# Ticker Company Name 1-W
Returns 		YTD
Returns
1 CRM Salesforce 22.4% -2.9%
2 CRWD CrowdStrike 13.8% 86.4%
3 VEEV Veeva Systems 11.6% 23.9%
4 SNPS Synopsys 11.2% -5.8%
5 FTNT Fortinet 8.1% 109.0%
6 CDW CDW common stock 8.1% 10.2%
7 TYL Tyler Technologies 7.8% -16.7%
8 GEN Gen Digital 7.2% 15.8%
9 CDNS Cadence Design Systems 6.7% 8.9%
10 SJM JM Smucker 6.5% 39.5%
# Ticker Company Name 1-W
Returns 		YTD
Returns
1 PYPL PayPal -12.8% -7.5%
2 GNRC Generac -10.8% 34.8%
3 HRL Hormel Foods -9.7% -5.4%
4 CASY Casey's General Stores -9.6% 37.0%
5 MRVL Marvell Technology -8.6% 155.3%
6 FIX Comfort Systems USA -8.3% 63.0%
7 BSX Boston Scientific -7.0% -50.9%
8 SNDK SanDisk -7.0% 525.6%
9 Q Qnity Electronics -6.7% 47.5%
10 COO Cooper Companies -6.6% -13.2%

Movers Over The Last Month

And over the last 21 trading days:

# Ticker Company Name 1-M
Returns 		YTD
Returns
1 MRNA Moderna 138.2% 367.9%
2 PLTR Palantir Technologies 52.4% 4.8%
3 CRM Salesforce 41.7% -2.9%
4 PSKY Paramount Skydance 39.3% -18.0%
5 VEEV Veeva Systems 37.3% 23.9%
6 SMCI Super Micro Computer 33.7% 26.7%
7 NEM Newmont 33.6% 28.7%
8 IT Gartner 29.7% -21.4%
9 WDAY Workday 29.5% -4.7%
10 LITE Lumentum 29.1% 142.8%
# Ticker Company Name 1-M
Returns 		YTD
Returns
1 TTD Trade Desk -25.8% -64.3%
2 DVA DaVita -24.4% 59.0%
3 APP AppLovin -21.3% -52.8%
4 APTV Aptiv -21.2% -39.9%
5 HONA Honeywell Aerospace -20.5% n/a
6 TPR Tapestry -17.8% -1.2%
7 NRG NRG Energy -16.8% -29.5%
8 HRL Hormel Foods -15.0% -5.4%
9 TJX TJX Companies -14.9% -11.2%
10 RDDT Reddit -14.1% -33.4%

So what is a big move telling you?

The lists of winners and losers earlier in this report are a map of market attention, not a set of instructions. A large daily move, positive or negative, is simply new information. It signals that something has changed the market's immediate view of a company's risk or reward.

The disciplined next step is not to chase the move, but to check the business behind it. The numbers that matter most are rarely the ones on a one-day leaderboard.

Either side of these lists can be a lead worth following, with the same follow-up question: does the business back the move? For the winners, our Guidance Momentum screen tracks which companies raised their own forward numbers. For the losers, our Buy the Dip screen flags which marked-down names still have the fundamentals to recover.

The Tape Rewards Attention. It Punishes Reaction

Big daily moves pull hard at both greed and fear, and acting on either, day after day, is how most portfolios end up trailing the index they were trying to beat.

The Trefis High Quality (HQ) Portfolio is built for the opposite reflex: about 30 quality businesses screened for the fundamentals that survive volatile stretches, held with rules instead of reactions. It has a track record of outpacing a benchmark that combines the three major indices - the S&P 500, S&P Mid-cap, and Russell 2000. Read the movers daily; trade them rarely.

Insight Guru Inc. published this content on August 31, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on August 31, 2026 at 06:23 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]