After Hours Movers

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2026-06-23

Today's After Hours Market Analysis

TODAY, 5:45p ET: Mixed after-hours session as AI chipmaker CBRS slides on debut earnings and lock-up fears. VTAK surging +41% on massive volume following subsidiary expansion news; LFS +32% after announcing a strategic Japan acquisition. PUBM dropping -11% amid heavy insider selling; CBRS -9% as Q1 results fail to offset valuation concerns.(more...)

Tape Overview

The after-hours session reflects a cautious, sector-specific tone as investors digest inaugural earnings from high-profile AI names and micro-cap catalysts.

Top Mover: VTAK — Subsidiary expansion into elite sports travel

Catheter Precision, Inc. (VTAK) jumped +41.2% on 36.9m shares, trading over 400x its average volume. Momentum followed news of its Flyte subsidiary partnering with PGA TOUR professionals to enter the sports aviation market.

Top Loser: PUBM — CEO liquidates 50% of direct position

PubMatic, Inc. (PUBM) fell -11.0% on 295k shares after SEC filings revealed CEO Rajeev Goel sold nearly $487k in stock. This significant insider exit via a 10b5-1 plan triggered sharp selling in the ad-tech name.

Also Moving

Leifras Co., Ltd. (LFS) climbed +32.2% after announcing the acquisition of Swift Japan to expand its childcare infrastructure. Cerebras Systems Inc. (CBRS) slid -9.4% on 6.3m shares as its debut earnings report and an impending lock-up expiration on Thursday pressured the AI chipmaker. Quoin Pharmaceuticals, Ltd. (QNRX) gained +38.6% following conditional FDA approval for its Qyleki brand name.

Broader Context

Traders are pivoting toward idiosyncratic micro-cap news while monitoring the semiconductor space for signs of a broader valuation reset.

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Data last updated: Today at 8:00 PM EDT

After Hours GainersGainers

%ChgLastSymbCompanyVolume
+42%
4.84
Quoin Pharmaceuticals, Ltd. American Depositary Shares8k
+33%
2.98
LEIFRAS Co., Ltd. American Depositary Shares0k
+15%
1.08
Catheter Precision, Inc.77k
+14%
4.60
Focus Universal Inc. Common Stock48k
+9.7%
3.44
Galectin Therapeutics Inc.17k
+8.7%
4.72
Minerva Neurosciences, Inc4k
+8.5%
1.75
Uxin Limited ADS1k
+8.0%
6.36
Nexentis Technologies Inc. Common Stock5k
+7.6%
17.12
Amarin Corp Plc8k
+6.7%
1.63
JELD-WEN Holding, Inc.228k

After Hours LosersLosers

%ChgLastSymbCompanyVolume
-12%
201.07
Cerebras Systems Inc. Class A Common Stock136k
-11%
86.25
Spyre Therapeutics, Inc. Common Stock79k
-11%
5.93
Journey Medical Corporation Common Stock10k
-11%
10.25
PubMatic, Inc. Class A Common Stock30k
-10%
54.72
Worthington Enterprises, Inc.11k
-9.8%
3.59
Adagene Inc. American Depositary Shares2k
-9.1%
102.50
Oppenheimer Holdings, Inc.2k
-8.8%
12.59
Korro Bio, Inc. Common Stock20k
-7.7%
2.43
YD Bio Limited Ordinary Shares5k
-7.4%
2.82
XIAO-I Corporation American Depositary Shares10k

After Hours ActivesActives

%ChgLastSymbCompanyVolume
+1.3%
1065.05
Micron Technology, Inc.550k
+0.4%
156.95
Space Exploration Technologies Corp. Class A Common Stock1065k
+1.1%
1985.97
Sandisk Corporation Common Stock119k
+0.4%
200.88
Nvidia Corp2563k
+0.2%
382.37
Tesla, Inc. Common Stock635k
+0.4%
132.84
Intel Corp1403k
+0.3%
521.41
Advanced Micro Devices469k
-0.0%
374.10
Microsoft Corp649k
+0.1%
294.65
Apple Inc.1625k
+0.5%
280.67
Marvell Technology, Inc. Common Stock772k

After Hours Unusual VolumeUnusual Volume

%ChgLastSymbCompanyVolume
+4.9%
2.88
HeartSciences Inc. Common Stock158k
+4.5%
1.39
Atlantic International Corp. Common Stock579k
+3.0%
2.68
Boundless Bio, Inc. Common Stock203k
+15%
1.08
Catheter Precision, Inc.77k
-3.0%
2.10
Global Interactive Technologies, Inc. Common Stock57k
+14%
4.60
Focus Universal Inc. Common Stock48k
-4.2%
2.65
Moleculin Biotech, Inc.15k
+2.3%
3.10
ClearOne, Inc. Common Stock1k
+0.0%
39.74
Mays (J.W.) Inc0k
-5.9%
1.45
Entera Bio Ltd. Ordinary Shares1k

After Hours GainersGainers

%ChgLastSymbCompanyVolume
+42%
4.84
Quoin Pharmaceuticals, Ltd. American Depositary Shares8k
+33%
2.98
LEIFRAS Co., Ltd. American Depositary Shares0k
+15%
1.08
Catheter Precision, Inc.77k
+14%
4.60
Focus Universal Inc. Common Stock48k
+9.7%
3.44
Galectin Therapeutics Inc.17k
+8.7%
4.72
Minerva Neurosciences, Inc4k
+8.5%
1.75
Uxin Limited ADS1k
+8.0%
6.36
Nexentis Technologies Inc. Common Stock5k
+7.6%
17.12
Amarin Corp Plc8k
+6.7%
1.63
JELD-WEN Holding, Inc.228k

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