What's going on in today's session: S&P500 movers
By Mill Chart
Last update: Aug 21, 2025
Curious about the top performers within the S&P500 index in the middle of the day on Thursday? Dive into the list of today's session's top gainers and losers for a comprehensive overview.
Top gainers
| Ticker | Change | Comment |
|---|---|---|
| NDSN | 5.01% | NORDSON CORP's (NASDAQ:NDSN) stock price displayed strong growth, advancing 5.01% and reaching $224.22 during Thursday's session. A press release (Nordson Corporation Reports Third Quarter Fiscal 2025 Results and Updates Full Year Guidance) was released yesterday. |
| PKG | 4.99% | Positive market sentiment drove PACKAGING CORP OF AMERICA's (NYSE:PKG) stock price up by 4.99% to $208.0 during Thursday's session. |
| SW | 3.72% | Investors celebrated as SMURFIT WESTROCK PLC (NYSE:SW) experienced a 3.72% rise in its shares, closing at $43.51 during Thursday's session. In the last 6 months the share price dropped with 21.09%. |
| HPE | 3.11% | HEWLETT PACKARD ENTERPRISE's (NYSE:HPE) stock price is advancing with 3.11% to a price of $21.7. In the last 3 months the share price increased with 20.78%. |
| BG | 2.71% | BUNGE GLOBAL SA's (NYSE:BG) stock price is advancing with 2.71% to a price of $84.61. |
| MRK | 2.68% | MERCK & CO. INC. (NYSE:MRK) witnessed a notable 2.68% uptick in its shares, reaching $86.93 during Thursday's session. In the last year the share price dropped with 27.39%. |
| IP | 2.28% | Investors celebrated as INTERNATIONAL PAPER CO (NYSE:IP) experienced a 2.28% rise in its shares, closing at $48.08 during Thursday's session. |
| DAY | 2.05% | Investors celebrated as DAYFORCE INC (NYSE:DAY) experienced a 2.05% rise in its shares, closing at $68.78 during Thursday's session. A press release (DAY Stock Alert: Halper Sadeh LLC Is Investigating Whether the Sale of Dayforce, Inc. Is Fair to Shareholders) was released earlier today. |
| REGN | 1.84% | REGENERON PHARMACEUTICALS's (NASDAQ:REGN) stock price increased by 1.84% to $601.91. A press release (EYLEA HD® (aflibercept) Injection 8 mg Applications for Expanded U.S. Label and Prefilled Syringe Receive FDA Review Period Extension) was released yesterday. |
| HUM | 1.63% | HUMANA INC (NYSE:HUM) witnessed a notable 1.63% uptick in its shares, reaching $294.74 during Thursday's session. Earlier today the company had a press release: New Research from Humana Finds Value-Based Care Delivers Higher Quality of Care for Heart Failure Patients. |
For the full top gainers list go to our top gainers page.
Today's top losers
| Ticker | Change | Comment |
|---|---|---|
| FSLR | -6.58% | FIRST SOLAR INC's (NASDAQ:FSLR) shares fell 6.58% to $192.86. Shareholders saw the stock price going 30.34% higher in the past 3 months. |
| WMT | -4.65% | The market experienced a 4.65% downturn in WALMART INC's (NYSE:WMT) stock price, closing at $97.8 during Thursday's session. The company's earnings where released Yesterday. A press release (Walmart reports revenue growth of 4.8%, up 5.6% in constant currency (cc)) was released earlier today. |
| ENPH | -3.4% | ENPHASE ENERGY INC's (NASDAQ:ENPH) stock price encountered a 3.4% decline, reaching $34.47 during Thursday's session. Shareholders saw the stock price going 44.98% lower is the past 6 months. |
| PCG | -3.22% | P G & E CORP's (NYSE:PCG) stock price is declining with 3.22% to a price of $14.87. |
| DHI | -2.97% | DR HORTON INC's (NYSE:DHI) stock price decreased by 2.97% to $158.51. In the last 3 months the share price increased with 37.69%. |
| FTNT | -2.95% | The market experienced a 2.95% downturn in FORTINET INC's (NASDAQ:FTNT) stock price, closing at $77.26 during Thursday's session. Earlier today the company had a press release: Fortinet, Inc. (FTNT) Investors Who Lost Money – Contact Law Offices of Howard G. Smith About Securities Fraud Investigation. |
| LII | -2.89% | There was a notable decline in LENNOX INTERNATIONAL INC's (NYSE:LII) shares, as they dropped 2.89% to $572.04 during Thursday's session. |
| UAL | -2.66% | Investors witnessed a 2.66% decrease in UNITED AIRLINES HOLDINGS INC's (NASDAQ:UAL) stock price, which closed at $97.18 during Thursday's session. In the last 3 months the stock gained 33.74%. |
| MRNA | -2.53% | The market experienced a downward movement in MODERNA INC's (NASDAQ:MRNA) stock price, closing at $26.21 with a 2.53% decrease during Thursday's session. A press release (Moderna to Present at Upcoming Conferences in September 2025) was released earlier today. |
| ALL | -2.44% | ALLSTATE CORP's (NYSE:ALL) shares fell 2.44% to $208.41 during Thursday's session. A press release (July 2025 Monthly Release) was released earlier today. |
For the full top loser list go to our top losers page.
NYSE:LII (8/21/2025, 12:25:31 PM)
571.19
-17.89 (-3.04%)
NYSE:BG (8/21/2025, 12:26:10 PM)
84.63
+2.26 (+2.74%)
NYSE:PKG (8/21/2025, 12:26:03 PM)
210.25
+12.13 (+6.12%)
NYSE:IP (8/21/2025, 12:26:09 PM)
48.13
+1.12 (+2.38%)
NYSE:ALL (8/21/2025, 12:26:02 PM)
208.38
-5.24 (-2.45%)
NASDAQ:REGN (8/21/2025, 12:26:03 PM)
602.24
+11.23 (+1.9%)
NYSE:MRK (8/21/2025, 12:26:10 PM)
87.0382
+2.38 (+2.81%)
NYSE:HUM (8/21/2025, 12:24:59 PM)
294.825
+4.82 (+1.66%)
NASDAQ:NDSN (8/21/2025, 12:26:05 PM)
224.44
+10.92 (+5.11%)
NYSE:DHI (8/21/2025, 12:26:06 PM)
158.67
-4.7 (-2.88%)
NYSE:WMT (8/21/2025, 12:26:10 PM)
97.88
-4.69 (-4.57%)
NASDAQ:FSLR (8/21/2025, 12:26:02 PM)
192.216
-14.22 (-6.89%)
NYSE:PCG (8/21/2025, 12:26:08 PM)
14.825
-0.54 (-3.48%)
NASDAQ:FTNT (8/21/2025, 12:26:09 PM)
77.22
-2.39 (-3%)
NASDAQ:ENPH (8/21/2025, 12:26:10 PM)
34.4
-1.28 (-3.59%)
NYSE:HPE (8/21/2025, 12:26:10 PM)
21.68
+0.64 (+3.04%)
NASDAQ:UAL (8/21/2025, 12:26:01 PM)
97.222
-2.62 (-2.62%)
NASDAQ:MRNA (8/21/2025, 12:26:03 PM)
26.27
-0.62 (-2.31%)
NYSE:DAY (8/21/2025, 12:25:58 PM)
68.7885
+1.39 (+2.06%)
NYSE:SW (8/21/2025, 12:26:06 PM)
43.72
+1.77 (+4.22%)
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