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

Last update: Aug 18, 2025

Stay informed about the performance of the S&P500 index in the middle of the day on Monday. Uncover the top gainers and losers in today's session for valuable insights.

Top gainers

Ticker	Change	Comment
DAY	26.25%	Investors witnessed a remarkable 26.25% rise in DAYFORCE INC's (NYSE:DAY) shares, which climbed to $66.76 during Monday's session. In the last 6 months the stock lost 20.39%.
FSLR	8.86%	FIRST SOLAR INC (NASDAQ:FSLR) witnessed a notable 8.86% uptick in its shares, reaching $217.67 during Monday's session. In the last 6 months the share price increased with 25.16%.
TTD	5.54%	With a 5.54% surge, TRADE DESK INC/THE -CLASS A's (NASDAQ:TTD) stock price reached $55.01 during Monday's session, signaling positive momentum. Shareholders saw the stock price going 35.02% lower in the past month.
RCL	4.94%	Exciting news for ROYAL CARIBBEAN CRUISES LTD (NYSE:RCL) as its stock price surged 4.94% to $329.47 during Monday's session. The stock is trading 22.92% higher than 3 months ago.
EPAM	4.74%	Positive market sentiment drove EPAM SYSTEMS INC's (NYSE:EPAM) stock price up by 4.74% to $165.19 during Monday's session. In the last 6 months the stock lost 40.74%.
LULU	3.85%	Exciting news for LULULEMON ATHLETICA INC (NASDAQ:LULU) as its stock price surged 3.85% to $206.1 during Monday's session. In the last 3 months the stock lost 38.26%.
PAYC	3.4%	PAYCOM SOFTWARE INC (NYSE:PAYC) witnessed a notable 3.4% uptick in its shares, reaching $224.56 during Monday's session. In the last year the share price increased with 35.74%.
AXON	3.23%	AXON ENTERPRISE INC's (NASDAQ:AXON) stock price displayed strong growth, advancing 3.23% and reaching $778.61 during Monday's session. Shareholders saw the stock price going 102.0% higher is the past year.
ENPH	3.13%	ENPHASE ENERGY INC (NASDAQ:ENPH) experienced a significant 3.13% increase, reaching $35.93 during Monday's session. Shareholders saw the stock price going 30.87% lower in the past 3 months.
UNH	2.99%	Exciting news for UNITEDHEALTH GROUP INC (NYSE:UNH) as its stock price surged 2.99% to $313.1 during Monday's session. The stock is trading 41.93% lower than 6 months ago.

To see the full list of top gainers you can use our top gainers page.

Top losers

Ticker	Change	Comment
EQT	-4.84%	EQT CORP's (NYSE:EQT) stock price faced a 4.84% decline, reaching $50.29 during Monday's session. In the last year the share price increased with 64.39%.
EA	-3.24%	ELECTRONIC ARTS INC's (NASDAQ:EA) shares fell 3.24% to $169.01 during Monday's session. The stock is trading 34.98% higher than 6 months ago.
CTRA	-2.89%	There was a downturn in COTERRA ENERGY INC's (NYSE:CTRA) shares, as they experienced a 2.89% decline, closing at $23.34 during Monday's session.
META	-2.61%	During Monday's session, META PLATFORMS INC-CLASS A's (NASDAQ:META) shares took a tumble, falling 2.61% to $764.76. In the last 3 months the share price increased with 22.63%.
PLTR	-2.27%	During Monday's session, PALANTIR TECHNOLOGIES INC-A's (NASDAQ:PLTR) shares took a tumble, falling 2.27% to $173.16. Shareholders saw the stock price going 36.79% higher in the past 3 months.
CF	-1.84%	CF INDUSTRIES HOLDINGS INC's (NYSE:CF) shares fell 1.84% to $84.32 during Monday's session.
AMCR	-1.83%	Investors witnessed a 1.83% decrease in AMCOR PLC's (NYSE:AMCR) stock price, which closed at $8.57 during Monday's session.
KHC	-1.75%	KRAFT HEINZ CO/THE's (NASDAQ:KHC) stock price is declining with 1.75% to a price of $27.18. In the last year the share price dropped with 20.08%.
BA	-1.74%	Investors witnessed a 1.74% drop in BOEING CO/THE's (NYSE:BA) stock price, which closed at $231.16 during Monday's session. In the last 6 months the share price increased with 27.57%.
WMB	-1.71%	The market experienced a 1.71% downturn in WILLIAMS COS INC's (NYSE:WMB) stock price, closing at $56.48 during Monday's session. In the last year the stock gained 30.21%.