What's going on in today's session: S&P500 movers

By Mill Chart - Last update: Aug 21, 2025

Wondering what's happening in today's session for the S&P500 index? Stay informed with the top movers within the S&P500 index on Thursday.


topmovers

Today's top gainers

TickerChangeComment
PKG5.87%Investors celebrated as PACKAGING CORP OF AMERICA (NYSE:PKG) experienced a 5.87% rise in its shares, closing at $209.74 during Thursday's session.
SW3.95%Investors celebrated as SMURFIT WESTROCK PLC (NYSE:SW) experienced a 3.95% rise in its shares, closing at $43.6 during Thursday's session. In the last 6 months the share price dropped with 21.09%.
NDSN3.72%Investors witnessed a remarkable 3.72% rise in NORDSON CORP's (NASDAQ:NDSN) shares, which climbed to $221.46 during Thursday's session. A press release (Nordson Corporation Reports Third Quarter Fiscal 2025 Results and Updates Full Year Guidance) was released yesterday.
HPE3.68%HEWLETT PACKARD ENTERPRISE's (NYSE:HPE) stock price is advancing with 3.68% to a price of $21.82. In the last 3 months the stock gained 20.78%.
DAY2.18%DAYFORCE INC's (NYSE:DAY) stock price increased by 2.18% to $68.87. Earlier today the company had a press release: DAY Stock Alert: Halper Sadeh LLC Is Investigating Whether the Sale of Dayforce, Inc. Is Fair to Shareholders.
MRK2.16%Investors celebrated as MERCK & CO. INC. (NYSE:MRK) experienced a 2.16% rise in its shares, closing at $86.48 during Thursday's session. Shareholders saw the stock price going 27.39% lower is the past year.
IP2.04%Positive market sentiment drove INTERNATIONAL PAPER CO's (NYSE:IP) stock price up by 2.04% to $47.97 during Thursday's session.
HUM2.01%Investors celebrated as HUMANA INC (NYSE:HUM) experienced a 2.01% rise in its shares, closing at $295.83 during Thursday's session. A press release (New Research from Humana Finds Value-Based Care Delivers Higher Quality of Care for Heart Failure Patients) was released earlier today.
MKC1.76%MCCORMICK & CO-NON VTG SHRS (NYSE:MKC) witnessed a notable 1.76% uptick in its shares, reaching $71.11 during Thursday's session.
NEM1.69%Investors celebrated as NEWMONT CORP (NYSE:NEM) experienced a 1.69% rise in its shares, closing at $70.17 during Thursday's session. In the last 3 months the share price increased with 28.61%.

Our top gainers page will show you the full list.

Today's top losers

TickerChangeComment
FSLR-6.67%There was a notable decline in FIRST SOLAR INC's (NASDAQ:FSLR) shares, as they dropped 6.67% to $192.68 during Thursday's session. Shareholders saw the stock price going 30.34% higher in the past 3 months.
WMT-5.0%There was a downturn in WALMART INC's (NYSE:WMT) shares, as they experienced a 5.0% decline, closing at $97.44 during Thursday's session. WALMART INC released earnings Yesterday. Yesterday the company had a press release: Walmart reports revenue growth of 4.8%, up 5.6% in constant currency (cc).
PCG-4.33%P G & E CORP's (NYSE:PCG) stock price encountered a 4.33% decline, reaching $14.7 during Thursday's session.
ENPH-4.01%ENPHASE ENERGY INC's (NASDAQ:ENPH) shares fell 4.01% to $34.25 during Thursday's session. In the last 6 months the stock lost 44.98%.
EIX-3.64%The market experienced a 3.64% downturn in EDISON INTERNATIONAL's (NYSE:EIX) stock price, closing at $53.92 during Thursday's session. Shareholders saw the stock price going 33.98% lower is the past year.
STX-3.25%SEAGATE TECHNOLOGY HOLDINGS's (NASDAQ:STX) shares fell 3.25% to $153.25. Shareholders saw the stock price going 40.5% higher in the past 3 months.
ALL-2.99%Investors witnessed a 2.99% decrease in ALLSTATE CORP's (NYSE:ALL) stock price, which closed at $207.24 during Thursday's session. A press release (July 2025 Monthly Release) was released earlier today.
FDS-2.81%During Thursday's session, FACTSET RESEARCH SYSTEMS INC's (NYSE:FDS) shares took a tumble, falling 2.81% to $376.76.
LII-2.76%During Thursday's session, LENNOX INTERNATIONAL INC's (NYSE:LII) shares took a tumble, falling 2.76% to $572.85.
IQV-2.65%There was a downturn in IQVIA HOLDINGS INC's (NYSE:IQV) shares, as they experienced a 2.65% decline, closing at $186.96 during Thursday's session. The stock is trading 40.18% higher than 3 months ago.

Our top losers page will show you the full list.

NEWMONT CORP

NYSE:NEM (2/27/2026, 8:22:43 PM)

After market: 130.06 +0.06 (+0.05%)

130

+2.53 (+1.98%)


LENNOX INTERNATIONAL INC

NYSE:LII (2/27/2026, 8:15:38 PM)

After market: 569.94 0 (0%)

569.94

+25.53 (+4.69%)


PACKAGING CORP OF AMERICA

NYSE:PKG (2/27/2026, 8:27:01 PM)

After market: 232.14 0 (0%)

232.14

+0.31 (+0.13%)


INTERNATIONAL PAPER CO

NYSE:IP (2/27/2026, 8:11:34 PM)

After market: 43.55 0 (0%)

43.55

+0.42 (+0.97%)


MCCORMICK & CO-NON VTG SHRS

NYSE:MKC (2/27/2026, 8:20:04 PM)

After market: 70.9672 -0.07 (-0.1%)

71.04

+1.78 (+2.57%)


ALLSTATE CORP

NYSE:ALL (2/27/2026, 8:04:00 PM)

After market: 214.52 0 (0%)

214.52

+1.76 (+0.83%)


MERCK & CO. INC.

NYSE:MRK (2/27/2026, 8:20:59 PM)

After market: 123.31 -0.51 (-0.41%)

123.82

+4.52 (+3.79%)


HUMANA INC

NYSE:HUM (2/27/2026, 8:09:03 PM)

After market: 190.5 -0.04 (-0.02%)

190.54

+3.71 (+1.99%)


NORDSON CORP

NASDAQ:NDSN (2/27/2026, 8:22:39 PM)

After market: 293.44 0 (0%)

293.44

+0.82 (+0.28%)


WALMART INC

NASDAQ:WMT (2/27/2026, 8:00:02 PM)

After market: 127.75 -0.2 (-0.16%)

127.95

+3.53 (+2.84%)


SEAGATE TECHNOLOGY HOLDINGS

NASDAQ:STX (2/27/2026, 8:00:00 PM)

After market: 407.74 -0.1 (-0.02%)

407.84

-1.83 (-0.45%)


FACTSET RESEARCH SYSTEMS INC

NYSE:FDS (2/27/2026, 8:04:00 PM)

After market: 216.81 0 (0%)

216.81

+2.54 (+1.19%)


FIRST SOLAR INC

NASDAQ:FSLR (2/27/2026, 8:05:44 PM)

After market: 196.24 -0.96 (-0.49%)

197.2

-2.9 (-1.45%)


P G & E CORP

NYSE:PCG (2/27/2026, 8:26:11 PM)

After market: 18.844 -0.16 (-0.82%)

19

+0.12 (+0.64%)


EDISON INTERNATIONAL

NYSE:EIX (2/27/2026, 8:04:00 PM)

After market: 74.74 0 (0%)

74.74

+0.37 (+0.5%)


ENPHASE ENERGY INC

NASDAQ:ENPH (2/27/2026, 8:00:02 PM)

After market: 41.955 -0.32 (-0.75%)

42.27

-3.5 (-7.65%)


HEWLETT PACKARD ENTERPRISE

NYSE:HPE (2/27/2026, 8:08:50 PM)

After market: 21.4496 -0.02 (-0.1%)

21.47

+0.63 (+3.02%)


IQVIA HOLDINGS INC

NYSE:IQV (2/27/2026, 8:11:39 PM)

After market: 178.81 0 (0%)

178.81

+8.17 (+4.79%)


DAYFORCE INC

NYSE:DAY (2/3/2026, 8:09:28 PM)

After market: 69.97 +0.11 (+0.16%)

69.86

+0.94 (+1.36%)


SMURFIT WESTROCK PLC

NYSE:SW (2/27/2026, 8:04:00 PM)

After market: 47.01 0 (0%)

47.01

+0.54 (+1.16%)



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