Premarket Movers

Premarket stock movers, including top gainers, losers, and most active stocks before regular market hours.
📊 Premarket has ended, but After Hours is still open until 8pm EST
2026-05-15

Today's Premarket Market Analysis

TODAY, 9:00a ET: Tech-led weakness weighs on premarket as AI restructuring and earnings misses trigger sharp sell-offs. HCWB is surging +203% after a massive Q1 earnings beat fueled by a $6.5M licensing deal; AUUD +67% on a definitive merger filing. GAMB is gapping down -28% following a 25% workforce reduction and lowered full-year guidance; INTC -5% on broader semiconductor softness.(more...)

Tape Overview

The premarket session leans risk-off as heavy-weight semiconductor names drag indices lower while micro-cap biotech and AI-related mergers provide isolated pockets of extreme volatility.

Top Mover: HCWB — Q1 earnings beat and licensing revenue

HCW Biologics (HCWB) gapped up 203.9% on 112M shares after reporting Q1 EPS of $0.37, crushing the ($0.44) estimate. Revenue hit $6.5M versus $5k last year, driven by a worldwide licensing deal with Beijing Trimmune Biotech.

Top Loser: GAMB — Guidance cut and workforce reduction

Gambling.com Group (GAMB) plunged 28.7% after slashing full-year revenue guidance and announcing a 25% headcount reduction to pivot toward AI. Management cited weak organic search traffic and regulatory headwinds in Europe for the $1.2M net loss.

Also Moving

Auddia (AUUD) climbed 67.6% on 62M shares after filing an S-4 for its merger with Thramann Holdings to build an AI platform. Super League Enterprise (SLE) shows unusual volume, rising 66.7% on 17M shares, while Micron Technology (MU) fell 4.3% on $2.2B in dollar volume.

Broader Context

Traders are monitoring the semiconductor sector for a potential floor as NVDA and INTC lead the morning's highest absolute volume on the downside.

Show per section:
10s
Data last updated: Today at 9:35 AM EDT

Premarket GainersGainers

%ChgLastSymbCompanyVolume
+232%
1.12
HCW Biologics Inc. Common Stock134712k
+74%
2.08
Auddia Inc. Common Stock67194k
+64%
6.66
Super League Enterprise, Inc. Common Stock23208k
+34%
6.75
Gemini Space Station, Inc. Class A Common Stock3278k
+16%
1.02
STAK Inc. Class A Ordinary Shares1590k
+14%
1.36
Jiuzi Holdings, Inc. Ordinary Shares5792k
+13%
16.96
The Magnum Ice Cream Company N.V.1353k
+12%
10.07
WidePoint Corporation42k
+11%
11.75
INNOVATE Corp.1k
+10%
1.19
Snail, Inc. Class A Common Stock18503k

Premarket LosersLosers

%ChgLastSymbCompanyVolume
-27%
1.31
Eason Technology Limited American Depositary Shares (each representing sixty-thousand (60,000) Ordinary Shares)760k
-24%
4.31
Robo.ai Inc. Class B Ordinary Shares6531k
-20%
7.34
ARS Pharmaceuticals, Inc. Common Stock640k
-20%
18.93
Claritev Corporation4k
-18%
2.47
Quantum Cyber N.V. Ordinary Shares4303k
-15%
1.69
Inuvo, Inc.33k
-14%
3.99
MicroAlgo, Inc. Ordinary Shares8177k
-14%
1.49
NanoViricides Inc.115k
-12%
6.22
Newsmax, Inc.44k
-12%
18.70
Babcock & Wilcox Enterprises, Inc.528k

Premarket ActivesActives

%ChgLastSymbCompanyVolume
-4.5%
734.59
Micron Technology, Inc.3410k
-2.9%
228.40
Nvidia Corp10112k
-3.2%
1326.58
Sandisk Corporation Common Stock1224k
+0.0%
41.04
Apellis Pharmaceuticals, Inc. Common Stock28627k
-2.5%
434.37
Tesla, Inc. Common Stock1885k
-5.0%
109.81
Intel Corp7355k
+0.6%
414.72
Microsoft Corp1268k
-3.5%
433.76
Advanced Micro Devices1130k
-0.1%
298.07
Apple Inc.1245k
-1.7%
262.71
Amazon.Com Inc944k

Premarket Unusual VolumeUnusual Volume

%ChgLastSymbCompanyVolume
+10%
1.19
Snail, Inc. Class A Common Stock18503k
+64%
6.66
Super League Enterprise, Inc. Common Stock23208k
-14%
3.99
MicroAlgo, Inc. Ordinary Shares8177k
+7.0%
15.10
Trio-Tech International217k
+74%
2.08
Auddia Inc. Common Stock67194k
-2.3%
1.27
Cel-Sci Corporation23k
+232%
1.12
HCW Biologics Inc. Common Stock134712k
+4.1%
6.50
Skillz Inc.40k
-2.2%
25.93
Lifeway Foods Inc0k
+12%
10.07
WidePoint Corporation42k

Premarket GainersGainers

%ChgLastSymbCompanyVolume
+232%
1.12
HCW Biologics Inc. Common Stock134712k
+74%
2.08
Auddia Inc. Common Stock67194k
+64%
6.66
Super League Enterprise, Inc. Common Stock23208k
+34%
6.75
Gemini Space Station, Inc. Class A Common Stock3278k
+16%
1.02
STAK Inc. Class A Ordinary Shares1590k
+14%
1.36
Jiuzi Holdings, Inc. Ordinary Shares5792k
+13%
16.96
The Magnum Ice Cream Company N.V.1353k
+12%
10.07
WidePoint Corporation42k
+11%
11.75
INNOVATE Corp.1k
+10%
1.19
Snail, Inc. Class A Common Stock18503k

Premarket Movers News

Premarket FAQs

Q: When does premarket open?
A: Premarket trading sessions start weekdays around 4:00 am EST and last until the market open, which is 9:30 am EST.
Q: Can you trade options premarket?
A: Options trading during premarket hours is generally not available. Options markets typically operate only during regular trading hours.
Q: How to trade premarket?
A: Most brokerages offer trading during premarket and after hours. Some popular examples are Robinhood, TD Ameritrade and E*Trade. It's usually best to trade with limit orders during the premarket, due to lower trading volumes.

⏰ Premarket Trading Hours by Brokerage

BrokeragePremarket Hours (ET)Notes
Interactive Brokers4:00 a.m. – 9:30 a.m.IBKR Pro from 4:00 a.m.; IBKR Lite from 7:00 a.m.
Webull4:00 a.m. – 9:30 a.m.Full extended hours available
Moomoo4:00 a.m. – 9:30 a.m.Extensive early access
TradeZero4:00 a.m. – 9:30 a.m.Full early access from 4:00 a.m.
Charles Schwab7:00 a.m. – 9:25 a.m.Orders may be placed after 8:05 p.m. the prior day
Fidelity7:00 a.m. – 9:28 a.m.Short sale orders allowed from 8:00 a.m.
E*TRADE7:00 a.m. – 9:30 a.m.Limit orders allowed from 7:00 a.m.
Merrill Edge7:00 a.m. – 9:30 a.m.Standard premarket access
Robinhood7:00 a.m. – 9:30 a.m.Extended hours trading enabled
Firstrade8:00 a.m. – 9:25 a.m.Shorter premarket window
Ally Invest8:00 a.m. – 9:30 a.m.Standard premarket access
TradeStation8:00 a.m. – 9:30 a.m.Premarket begins at 8:00 a.m.
Public8:00 a.m. – 9:30 a.m.Premarket trading supported
SoFi Invest9:00 a.m. – 9:30 a.m.Very limited premarket access
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