Session Watch

After-Hours Movers

After-hours trading can preview the next day’s focus list. This page keeps the biggest post-close movers in one place so readers can compare early signals before the next session.

Live market snapshot18 names trackedUpdated Oct 17, 1:58 PM UTC
Snapshot signal

Compare the stocks making the biggest moves after the close and see where the next session may start.

Average after-hours move
-0.96%
Tracked names
18
Average volume multiple
1.21x
Breadth
9/9
How to read this page

A live list needs a little context.

After-hours names are ranked from the latest available move, then shown with volume and event context. Compare the reaction with the next regular session before drawing a durable conclusion.

Last refreshed Oct 17, 1:58 PM UTC. WhyStockMove is an informational research tool, not investment advice.

Leaders on this page

How to use this page

Compare breadth first, then compare volume. If only a few stocks are doing the work, the move is narrower than it looks.

Use the row links to move into stock-specific pages when a ticker stands out enough to justify a deeper read.

Keep the related guide close. It helps turn a list of movers into a usable decision framework.

Tracked names

This board stays public and useful by keeping the frame visible: price, volume, participation, and near-term event context.

Unlock the deeper analysis layer
MTD
Mettler Toledo
Life Sciences Tools & Services
-1.02%
Price
$1,622.29
Market cap
$32.5B
Volume
1.3x avg
Setup
near its 52-week high
Health CareOpen stock page
TRGP
Targa Resources
Oil & Gas Storage & Transportation
+4.37%
Price
$294.90
Market cap
$63.2B
Volume
0.9x avg
Setup
near its 52-week high
EnergyOpen stock page
CDNS
Cadence Design Systems
Application Software
-1.50%
Price
$319.51
Market cap
$88.1B
Volume
1.0x avg
Setup
in the middle of its 52-week range
Information TechnologyOpen stock page
STT
State Street Corporation
Asset Management & Custody Banks
-1.12%
Price
$165.72
Market cap
$45.5B
Volume
1.9x avg
Setup
in the middle of its 52-week range
FinancialsOpen stock page
JCI
Johnson Controls
Building Products
-1.46%
Price
$145.47
Market cap
$88.1B
Volume
1.1x avg
Setup
in the middle of its 52-week range
IndustrialsOpen stock page
WDC
Western Digital
Technology Hardware, Storage & Peripherals
-6.86%
Price
$332.00
Market cap
$124.3B
Volume
1.0x avg
Setup
in the middle of its 52-week range
Information TechnologyOpen stock page
ARE
Alexandria Real Estate Equities
Office REITs
-1.70%
Price
$41.62
Market cap
$7.2B
Volume
1.1x avg
Setup
near its 52-week low
Real EstateOpen stock page
KMI
Kinder Morgan
Oil & Gas Storage & Transportation
+4.20%
Price
$34.20
Market cap
$76.1B
Volume
1.4x avg
Setup
near its 52-week high
EnergyOpen stock page
HPE
Hewlett Packard Enterprise
Technology Hardware, Storage & Peripherals
-5.97%
Price
$55.13
Market cap
$73.2B
Volume
1.5x avg
Setup
in the middle of its 52-week range
Information TechnologyOpen stock page
WMB
Williams Companies
Oil & Gas Storage & Transportation
+2.98%
Price
$71.28
Market cap
$87.2B
Volume
1.4x avg
Setup
in the middle of its 52-week range
EnergyOpen stock page
GM
General Motors
Automobile Manufacturers
+0.36%
Price
$83.96
Market cap
$73.7B
Volume
1.1x avg
Setup
in the middle of its 52-week range
Consumer DiscretionaryOpen stock page
AMCR
Amcor
Paper & Plastic Packaging Products & Materials
+0.25%
Price
$43.85
Market cap
$20.3B
Volume
1.0x avg
Setup
in the middle of its 52-week range
MaterialsOpen stock page
MRNA
Moderna
Biotechnology
-7.82%
Price
$218.01
Market cap
$87B
Volume
1.1x avg
Setup
near its 52-week high
Health CareOpen stock page
STX
Seagate Technology
Technology Hardware, Storage & Peripherals
-7.50%
Price
$639.01
Market cap
$145.3B
Volume
1.3x avg
Setup
in the middle of its 52-week range
Information TechnologyOpen stock page
BF.B
Brown-Forman
Distillers & Vintners
+1.05%
Price
$28.88
Market cap
$13.3B
Volume
1.4x avg
Setup
in the middle of its 52-week range
Consumer StaplesOpen stock page
SRE
Sempra
Multi-Utilities
+1.81%
Price
$83.41
Market cap
$54.5B
Volume
1.0x avg
Setup
in the middle of its 52-week range
UtilitiesOpen stock page
TSN
Tyson Foods
Packaged Foods & Meats
+1.59%
Price
$54.90
Market cap
$19.3B
Volume
0.8x avg
Setup
in the middle of its 52-week range
Consumer StaplesOpen stock page
SPGI
S&P Global
Financial Exchanges & Data
+1.14%
Price
$429.64
Market cap
$126.7B
Volume
1.3x avg
Setup
in the middle of its 52-week range
FinancialsOpen stock page
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See what the premium layer adds

The public page keeps the move readable. The premium layer adds ranked driver context, deeper monitoring, and a tighter read on whether the move is expanding, fading, or rotating elsewhere.

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Common questions about this page

What does after-hours movers track?

After-hours trading can preview the next day’s focus list. This page keeps the biggest post-close movers in one place so readers can compare early signals before the next session. The list on this market page is refreshed from live market data and ranks the names that best match the theme or group.

How should readers use this page?

Use it to compare breadth, volume, and trend context before drilling into any one name. Pages like this are most useful when you want to know whether a move is isolated or part of a broader pattern.

Why are some stocks moving more than others on the same page?

Names in the same list can still respond very differently because liquidity, expectations, earnings timing, and positioning are never identical. The table helps surface those differences quickly.

Does volume matter on pages like this?

The average volume multiple across the tracked names is 1.21x, which helps show whether participation is broad or muted.

Where can I see a deeper stock-specific breakdown?

Open any ticker row to move into the stock-specific page, where the public market snapshot and the locked deeper analysis experience are structured around that individual name.

These pages are informational snapshots designed to help readers compare market structure and stock movement quickly.