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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 (7/21/2025, 4:56:00 PM)

After market: 128.8 -5.73 (-4.26%)

134.53

+2.9 (+2.2%)


ANALOG DEVICES INC

NASDAQ:ADI (7/21/2025, 4:56:09 PM)

After market: 235 -5.48 (-2.28%)

240.48

-1.37 (-0.57%)


MICROCHIP TECHNOLOGY INC

NASDAQ:MCHP (7/21/2025, 4:53:39 PM)

After market: 72.34 -1.51 (-2.04%)

73.85

-0.93 (-1.24%)


NXP SEMICONDUCTORS NV

NASDAQ:NXPI (7/21/2025, 4:55:46 PM)

After market: 218.2 -10.07 (-4.41%)

228.27

+2.37 (+1.05%)


ON SEMICONDUCTOR

NASDAQ:ON (7/21/2025, 4:55:26 PM)

After market: 58.8 -1.75 (-2.89%)

60.55

-0.17 (-0.28%)



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