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

Last update: Jul 21, 2025

As the regular session of the US market concludes on Monday, let's get an insight into the after-hours session and identify the top gainers and losers in the S&P500 index.

Today's after hours losers

Ticker	Change	Comment
NXPI	-4.62%	Today's after-hours session sees a continuation of the %ABSPERF% decrease earlier in the day for NXP SEMICONDUCTORS NV (NASDAQ:NXPI). NXP SEMICONDUCTORS NV released earnings Yesterday.
STLD	-4.11%	STEEL DYNAMICS INC's (NASDAQ:STLD) shares declined by 4.11% to $129.0 during Monday's after-hours session. yesterday the company released their earnings.
ON	-2.89%	ON SEMICONDUCTOR's (NASDAQ:ON) stock price is declining with 2.89% to a price of $58.8. The stock is trading 52.79% higher than 3 months ago.
MCHP	-2.37%	MICROCHIP TECHNOLOGY INC's (NASDAQ:MCHP) shares experienced a 2.37% decrease to $72.1 in the after-hours session. The stock is trading 57.5% higher than 3 months ago.
ADI	-2.28%	ANALOG DEVICES INC's (NASDAQ:ADI) stock price decreased by 2.28% to $235.0. In the last 3 months the stock gained 23.58%.

For the full after hours loser list go to our after hours losers page.