After Hours Movers

Stock movers, including top gainers, losers, and most actively traded stocks.
2026-05-08

Today's After Hours Market Analysis

FRI, 5:45p ET: Risk-off sentiment dominates the after-hours session as earnings misses and acquisition proposals trigger volatility. HPAI is surging +41% on heavy speculative volume; MRAM +38% following recent insider filings and sector strength. GMEX is gapping down -19% on thin volume; AD -13% after missing Q1 estimates despite a non-binding buyout proposal from TDS.(more...)

Tape Overview

The after-hours session reflects a defensive posture as traders punish earnings misses while rotating into niche AI and semiconductor names.

Top Mover: Helport AI Limited (HPAI) — Speculative momentum on high volume

HPAI surged 41.0% on 5.8M shares as retail interest intensifies around the AI services provider. This move lacks a fresh fundamental catalyst, suggesting a momentum-driven squeeze in extended trading.

Top Loser: GMEX ROBOTICS CORPORATION (GMEX) — Sharp reversal on thin liquidity

GMEX plunged -19.5% on 2.2M shares, erasing recent gains as sellers dominated the low-float tape. No specific regulatory filings or news accompanied the move, indicating a potential technical breakdown.

Also Moving

Everspin Technologies (MRAM) jumped 38.7% on 5.2M shares following recent insider buying activity and semiconductor sector tailwinds. Array Digital Infrastructure (AD) fell -13.0% after reporting a Q1 top and bottom-line miss, overshadowing a buyout proposal from Telephone and Data Systems. Mannatech Inc. (MTEX) gained 25.0% on an extreme 184x volume spike relative to its historical norm.

Broader Context

Traders should monitor the semiconductor complex as MU and INTC maintain high absolute volume, signaling potential index-level volatility at Monday's open.

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Data last updated: Friday, May 8 at 8:00 PM EDT

After Hours GainersGainers

%ChgLastSymbCompanyVolume
+46%
1.41
Helport AI Limited Ordinary Shares6912k
+34%
26.95
Everspin Technologies, Inc6260k
+29%
89.87
NVE Corp119k
+16%
5.58
Mannatech Inc.777k
+13%
1.46
Inovio Pharmaceuticals, Inc.21007k
+12%
8.39
Atara Biotherapeutics, Inc3002k
+12%
5.49
Rackspace Technology, Inc. Common Stock154017k
+12%
1.00
Antelope Enterprise Holdings Limited Class A Ordinary Shares322159k
+10%
20.95
Willow Lane Acquisition Corp. Class A Ordinary Shares505k
+9.5%
3.06
Valens Semiconductor Ltd.5472k

After Hours LosersLosers

%ChgLastSymbCompanyVolume
-9.4%
1.35
OneConstruction Group Limited Ordinary Shares3741k
-8.8%
23.78
Phoenix Asia Holdings Limited Ordinary Shares1692k
-8.2%
2.02
GMEX ROBOTICS CORPORATION Class A Ordinary Shares2317k
-8.1%
7.26
Rich Sparkle Holdings Limited Ordinary Shares519k
-7.8%
2.74
Pyxis Oncology, Inc. Common Stock1997k
-6.4%
10.75
PubMatic, Inc. Class A Common Stock1625k
-5.8%
13.39
Driven Brands Holdings Inc. Common Stock1424k
-5.8%
135.45
Danaos Corporation97k
-5.7%
2.04
Traws Pharma, Inc. Common Stock89477k
-5.7%
1.46
Chanson International Holding Class A Ordinary Shares1025k

After Hours ActivesActives

%ChgLastSymbCompanyVolume
+1.4%
744.51
Micron Technology, Inc.65115k
-0.1%
1559.60
Sandisk Corporation Common Stock20566k
-0.1%
214.94
Nvidia Corp136516k
+0.9%
125.13
Intel Corp227459k
-0.1%
427.97
Tesla, Inc. Common Stock64895k
+1.3%
454.67
Advanced Micro Devices58222k
+0.1%
292.86
Apple Inc.52708k
+0.0%
414.86
Microsoft Corp33382k
-0.1%
429.67
Broadcom Inc. Common Stock22561k
+0.0%
272.48
Amazon.Com Inc34751k

After Hours Unusual VolumeUnusual Volume

%ChgLastSymbCompanyVolume
-5.7%
2.04
Traws Pharma, Inc. Common Stock89477k
+16%
5.58
Mannatech Inc.777k
-0.9%
2.93
Cheetah Net Supply Chain Service Inc. Class A Common Stock7593k
-2.7%
1.10
BioCardia, Inc. Common Stock4919k
+8.1%
2.19
American Shared Hospital Services408k
-0.3%
1.48
enGene Therapeutics Inc. Common Stock17486k
+7.2%
10.88
Artiva Biotherapeutics, Inc. Common Stock5294k
+13%
1.46
Inovio Pharmaceuticals, Inc.21007k
-2.0%
1.20
Rein Therapeutics, Inc. Common Stock2322k
+0.0%
10.63
Aldel Financial II Inc. Class A Ordinary Shares0k

After Hours GainersGainers

%ChgLastSymbCompanyVolume
+46%
1.41
Helport AI Limited Ordinary Shares6912k
+34%
26.95
Everspin Technologies, Inc6260k
+29%
89.87
NVE Corp119k
+16%
5.58
Mannatech Inc.777k
+13%
1.46
Inovio Pharmaceuticals, Inc.21007k
+12%
8.39
Atara Biotherapeutics, Inc3002k
+12%
5.49
Rackspace Technology, Inc. Common Stock154017k
+12%
1.00
Antelope Enterprise Holdings Limited Class A Ordinary Shares322159k
+10%
20.95
Willow Lane Acquisition Corp. Class A Ordinary Shares505k
+9.5%
3.06
Valens Semiconductor Ltd.5472k

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