Monday's session: top gainers and losers in the S&P500 index

Last update: Oct 6, 2025

Let's have a look at what is happening on the US markets in the middle of the day on Monday. Below you can find the top S&P500 gainers and losers in today's session.

Today's top gainers

Ticker	Change	Comment
AMD	28.8%	Investors celebrated as ADVANCED MICRO DEVICES (NASDAQ:AMD) experienced a 28.8% rise in its shares, closing at $212.1 during Monday's session. Earlier today the company had a press release: AMD and OpenAI Announce Strategic Partnership to Deploy 6 Gigawatts of AMD GPUs.
MPWR	6.11%	Positive market sentiment drove MONOLITHIC POWER SYSTEMS INC's (NASDAQ:MPWR) stock price up by 6.11% to $974.97 during Monday's session. Shareholders saw the stock price going 21.12% higher in the past 3 months.
SMCI	5.56%	In an impressive move, SUPER MICRO COMPUTER INC's (NASDAQ:SMCI) shares recorded a 5.56% increase, closing at $54.85 during Monday's session. In the last month the stock gained 28.58%.
ALB	4.98%	ALBEMARLE CORP's (NYSE:ALB) stock price increased by 4.98% to $92.61. The stock is trading 31.26% higher than 3 months ago.
ANET	4.94%	Investors celebrated as ARISTA NETWORKS INC (NYSE:ANET) experienced a 4.94% rise in its shares, closing at $152.69 during Monday's session. In the last 3 months the stock gained 41.92%.
TSLA	4.08%	TESLA INC (NASDAQ:TSLA) experienced a significant 4.08% increase, reaching $447.38 during Monday's session. Shareholders saw the stock price going 22.51% higher in the past month.
PLTR	4.07%	PALANTIR TECHNOLOGIES INC-A (NASDAQ:PLTR) rose 4.07% to $180.12 during Monday's after hours session. A press release (OneMedNet Selects Palantir to Advance Healthcare AI and Data Analytics) was released earlier today.
APA	3.77%	APA CORP's (NASDAQ:APA) shares rose 3.77% to $25.46 during Monday's session. The stock is trading 25.65% higher than 3 months ago.
LVS	3.77%	LAS VEGAS SANDS CORP's (NYSE:LVS) shares soared 3.77% to $52.89 during Monday's session. The stock is trading 52.74% higher than 6 months ago.
MU	3.73%	MICRON TECHNOLOGY INC's (NASDAQ:MU) stock price is advancing with 3.73% to a price of $194.84. In the last month the share price increased with 42.98%.

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

Losers

Ticker	Change	Comment
VZ	-4.48%	VERIZON COMMUNICATIONS INC's (NYSE:VZ) shares fell 4.48% to $41.72. Earlier today the company had a press release: Verizon Announces CEO Transition.
SBUX	-4.45%	STARBUCKS CORP (NASDAQ:SBUX) encountered a 4.45% decrease in its shares, reaching $82.57 during Monday's session.
IP	-3.91%	There was a downturn in INTERNATIONAL PAPER CO's (NYSE:IP) shares, as they experienced a 3.91% decline, closing at $45.33 during Monday's session.
BIIB	-3.69%	There was a downturn in BIOGEN INC's (NASDAQ:BIIB) shares, as they experienced a 3.69% decline, closing at $153.98 during Monday's session. In the last 3 months the stock gained 20.33%.
T	-3.57%	AT&T INC's (NYSE:T) stock price encountered a 3.57% decline, reaching $26.09 during Monday's session. Shareholders saw the stock price going 23.51% higher is the past year.
SW	-3.32%	There was a downturn in SMURFIT WESTROCK PLC's (NYSE:SW) shares, as they experienced a 3.32% decline, closing at $40.59 during Monday's session.
ARE	-3.02%	ALEXANDRIA REAL ESTATE EQUIT (NYSE:ARE) encountered a 3.02% decrease in its shares, reaching $81.27 during Monday's session. In the last year the stock lost 27.07%.
APP	-2.98%	There was a downturn in APPLOVIN CORP-CLASS A's (NASDAQ:APP) shares, as they experienced a 2.98% decline, closing at $662.43 during Monday's session. In the last month the share price increased with 39.27%.
BEN	-2.96%	The market experienced a downward movement in FRANKLIN RESOURCES INC's (NYSE:BEN) stock price, closing at $23.09 with a 2.96% decrease during Monday's session. In the last 6 months the share price increased with 35.92%.
TMUS	-2.91%	T-MOBILE US INC's (NASDAQ:TMUS) stock price decreased by 2.91% to $223.58.