These S&P500 stocks are moving in today's session

Last update: Jan 6, 2026

Curious about the top performers within the S&P500 index in the middle of the day on Tuesday? Dive into the list of today's session's top gainers and losers for a comprehensive overview.

Today's top gainers

Ticker	Change	Comment
SNDK	23.41%	SANDISK CORP's (NASDAQ:SNDK) stock price displayed strong growth, advancing 23.41% and reaching $338.24 during Tuesday's session. In the last month the share price increased with 28.49%.
WDC	15.33%	WESTERN DIGITAL CORP (NASDAQ:WDC) experienced a significant 15.33% increase, reaching $216.69 during Tuesday's session. The stock is trading 62.78% higher than 3 months ago.
STX	12.32%	SEAGATE TECHNOLOGY HOLDINGS (NASDAQ:STX) witnessed a notable 12.32% uptick in its shares, reaching $325.53 during Tuesday's session. In the last 3 months the share price increased with 35.19%.
MRNA	10.79%	Investors celebrated as MODERNA INC (NASDAQ:MRNA) experienced a 10.79% rise in its shares, closing at $35.64 during Tuesday's session. The stock is trading 26.21% higher than a month ago.
MCHP	10.63%	MICROCHIP TECHNOLOGY INC (NASDAQ:MCHP) rose 10.63% to $74.19 during Tuesday's after hours session. In the last year the stock gained 21.51%.
ALB	10.6%	Investors celebrated as ALBEMARLE CORP (NYSE:ALB) experienced a 10.6% rise in its shares, closing at $161.62 during Tuesday's session. The stock is trading 22.65% higher than a month ago.
NXPI	8.08%	NXP SEMICONDUCTORS NV (NASDAQ:NXPI) rose 8.08% to $241.96 during Tuesday's after hours session.
TXN	8.07%	Positive market sentiment drove TEXAS INSTRUMENTS INC's (NASDAQ:TXN) stock price up by 8.07% to $191.46 during Tuesday's session.
LRCX	7.45%	LAM RESEARCH CORP (NASDAQ:LRCX) witnessed a notable 7.45% uptick in its shares, reaching $209.26 during Tuesday's session. The stock is trading 23.98% higher than a month ago.
MU	6.44%	MICRON TECHNOLOGY INC (NASDAQ:MU) rose 6.44% to $332.25 during Tuesday's after hours session. In the last month the share price increased with 37.72%.

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

Top losers

Ticker	Change	Comment
JCI	-8.06%	JOHNSON CONTROLS INTERNATION's (NYSE:JCI) shares fell 8.06% to $111.74 during Tuesday's session. Shareholders saw the stock price going 54.5% higher is the past year.
AIG	-7.48%	AMERICAN INTERNATIONAL GROUP's (NYSE:AIG) shares fell 7.48% to $78.07. Earlier today the company had a press release: Peter Zaffino to Transition to Executive Chair of AIG’s Board of Directors by Mid-2026.
APP	-5.54%	APPLOVIN CORP-CLASS A's (NASDAQ:APP) shares fell 5.54% to $597.85 during Tuesday's session. In the last 6 months the stock gained 88.87%.
EFX	-5.17%	EQUIFAX INC's (NYSE:EFX) shares fell 5.17% to $209.37.
TT	-5.16%	TRANE TECHNOLOGIES PLC's (NYSE:TT) stock price decreased by 5.16% to $370.78.
TSLA	-4.41%	TESLA INC's (NASDAQ:TSLA) shares fell 4.41% to $431.77 during Tuesday's session. In the last 6 months the stock gained 44.07%.
AMD	-4.13%	ADVANCED MICRO DEVICES's (NASDAQ:AMD) shares fell 4.13% to $211.94. Yesterday the company had a press release: AMD and its Partners Share their Vision for “AI Everywhere, for Everyone” at CES 2026.
PSKY	-4.04%	The market experienced a downward movement in PARAMOUNT SKYDANCE CL B's (NASDAQ:PSKY) stock price, closing at $12.46 with a 4.04% decrease during Tuesday's session. In the last 3 months the share price dropped with 23.65%.
FICO	-4.02%	There was a notable decline in FAIR ISAAC CORP's (NYSE:FICO) shares, as they dropped 4.02% to $1.59K during Tuesday's session.
GNRC	-3.47%	GENERAC HOLDINGS INC's (NYSE:GNRC) stock price faced a 3.47% decline, reaching $143.53 during Tuesday's session.