After Hours Movers

Stock movers, including top gainers, losers, and most actively traded stocks.
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2026-07-28

Today's After Hours Market Analysis

TODAY, 5:45p ET: Mixed after-hours session as real estate tech falters on weak guidance while construction and small-cap tech see speculative bids. BCPC leads gainers +5.9% on thin volume; TPC +3.7% ahead of its Q2 earnings call. STKH gapping down -26.4% on massive volume; CSGP -13.4% following a disappointing Q3 revenue outlook.(more...)

Tape Overview

The after-hours session leans risk-off as disappointing guidance from mid-cap leaders outweighs scattered gains in low-float speculative names.

Top Mover: Balchem Corporation (BCPC) — [Thin volume melt-up]

Balchem Corporation (BCPC) climbed 5.9% to $165.47 on just 7,689 shares, suggesting a lack of conviction despite the percentage move. Traders should treat this move with caution given the wide spreads typical of such low-volume prints.

Top Loser: Steakholder Foods Ltd. (STKH) — [High-volume liquidation]

Steakholder Foods Ltd. (STKH) plunged -26.4% to $2.65 on a massive 29.7 million shares, signaling aggressive institutional distribution. This move represents the session's strongest signal due to the significant volume-to-price correlation.

Also Moving

CoStar Group Inc (CSGP) dropped -13.4% after issuing Q3 revenue guidance of $935M-$945M, missing the $970M consensus. Tutor Perini Corporation (TPC) rose 3.7% on 120k shares ahead of its August earnings date, while Polar Power, Inc. (POLA) saw a 773x volume spike despite a flat price action.

Broader Context

Focus remains on the real estate and medical device sectors as NeuroPace, Inc. (NPCE) fell -13.8% following updated FDA guidance on its epilepsy treatment supplement.

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Data last updated: Today at 8:00 PM EDT

After Hours GainersGainers

%ChgLastSymbCompanyVolume
+591%
165.47
Balchem Corporation0k
+53%
4.26
Autonomix Medical, Inc. Common Stock1k
+35%
4.97
Star Fashion Culture Holdings Limited Class A Ordinary Shares16k
+32%
3.23
Global Mofy AI Limited Class A Ordinary Shares0k
+27%
4.85
Enigmatig Limited24k
+26%
5.28
Verra Mobility Corporation Class A Common Stock98k
+13%
47.87
Rocky Brands, Inc.2k
+13%
361.72
Teradyne, Inc. Common Stock138k
+13%
188.25
Bloom Energy Corporation321k
+11%
186.05
Manhattan Associates Inc45k

After Hours LosersLosers

%ChgLastSymbCompanyVolume
-29%
2.54
Steakholder Foods Ltd. American Depositary Shares86k
-23%
1.05
Instinct Bio Technical Company Holdings Inc. Ordinary Shares40k
-16%
5.38
Baiya International Group Inc Class A Ordinary Shares40k
-15%
3.60
BIO-key International, Inc. Common Stock2k
-14%
13.13
Neuropace, Inc. Common Stock5k
-14%
4.47
INLIF LIMITED Class A Ordinary Shares50k
-14%
143.82
Avis Budget Group, Inc.14k
-13%
26.35
CoStar Group Inc461k
-13%
7.88
O-I Glass, Inc.343k
-12%
98.86
Logitech International SA85k

After Hours ActivesActives

%ChgLastSymbCompanyVolume
+1.2%
830.30
Micron Technology, Inc.522k
+2.1%
1119.03
Sandisk Corporation Common Stock183k
+0.3%
197.65
Nvidia Corp2721k
+1.2%
459.99
Advanced Micro Devices519k
+0.4%
341.39
Apple Inc.1192k
+1.4%
87.51
Intel Corp2380k
-0.2%
306.81
Tesla, Inc. Common Stock495k
+0.5%
395.28
Microsoft Corp733k
+0.2%
116.62
Space Exploration Technologies Corp. Class A Common Stock981k
+0.5%
231.91
Amazon.Com Inc924k

After Hours Unusual VolumeUnusual Volume

%ChgLastSymbCompanyVolume
-3.7%
1.58
Polar Power, Inc. Common Stock36k
-15%
3.60
BIO-key International, Inc. Common Stock2k
-4.9%
2.69
FiEE, Inc Common Stock1k
+1.2%
14.68
ProMIS Neurosciences Inc. Common Shares (ON)3k
+0.0%
10.18
StoneBridge Acquisition II Corporation Class A Ordinary Shares0k
+2.1%
2.27
Enlivex Ltd. Ordinary Shares3k
-0.0%
17.59
Team, Inc.0k
-2.1%
1.61
Opko Health Inc.907k
+0.5%
10.89
Translational Development Acquisition Corp. Ordinary Shares0k
-0.2%
12.27
MapLight Therapeutics, Inc. Common Stock141k

After Hours GainersGainers

%ChgLastSymbCompanyVolume
+591%
165.47
Balchem Corporation0k
+53%
4.26
Autonomix Medical, Inc. Common Stock1k
+35%
4.97
Star Fashion Culture Holdings Limited Class A Ordinary Shares16k
+32%
3.23
Global Mofy AI Limited Class A Ordinary Shares0k
+27%
4.85
Enigmatig Limited24k
+26%
5.28
Verra Mobility Corporation Class A Common Stock98k
+13%
47.87
Rocky Brands, Inc.2k
+13%
361.72
Teradyne, Inc. Common Stock138k
+13%
188.25
Bloom Energy Corporation321k
+11%
186.05
Manhattan Associates Inc45k

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