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

By Mill Chart

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.


postmarket

Today's after hours losers

TickerChangeComment
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.

STEEL DYNAMICS INC

NASDAQ:STLD (10/28/2025, 8:23:18 PM)

After market: 161.5 +0.43 (+0.27%)

161.07

+3.05 (+1.93%)


ANALOG DEVICES INC

NASDAQ:ADI (10/28/2025, 8:00:00 PM)

After market: 239.15 -0.2 (-0.08%)

239.35

-3.66 (-1.51%)


MICROCHIP TECHNOLOGY INC

NASDAQ:MCHP (10/28/2025, 8:07:03 PM)

After market: 63.74 +0.1 (+0.16%)

63.64

-0.91 (-1.41%)


NXP SEMICONDUCTORS NV

NASDAQ:NXPI (10/28/2025, 8:12:29 PM)

After market: 212.97 0.01 (0%)

212.96

-8.6 (-3.88%)


ON SEMICONDUCTOR

NASDAQ:ON (10/28/2025, 8:14:32 PM)

After market: 51.37 -0.43 (-0.83%)

51.8

-0.88 (-1.67%)



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