$SNOW

Stocks making the biggest moves premarket: Snowflake, Moderna, Broadcom & more

Snowflake shares surged 24% after Q2 results beat estimates, with revenue of $1.55B and EPS of $0.62. Broadcom fell 2.5% on lower Q4 revenue forecasts. Campbell's dropped 7% on weak fiscal 2027 guidance. Ultragenyx plunged 46% after a failed drug trial. Petco rose 9% on strong Q2 margins. Moderna declined 2% after a downgrade. Argan gained 7.5% on better-than-expected earnings. Five Below rose 4.5% on strong Q2 results. Victoria's Secret fell 18% on missed revenue estimates. Netskope rose 12% on

Original reporting
Published Sep 3, 2026, 12:00 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 3, 2026, 12:22 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
Stocks making the biggest moves premarket: Snowflake, Moderna, Broadcom & more — source image
Decision brief

The 30-second read

$SNOWBullishMed
01

Why it matters

Multiple primary disclosures drive divergent price moves; traders must assess each ticker individually.

02

Market read

High relevance for short‑term traders targeting earnings-driven volatility.

03

What to watch

Supply‑chain constraints and macro backdrop could temper upside despite earnings beats.

Relevance 7/10Novelty 6/10Timing: premarket today

Background

Premarket roundup of U.S. stocks reporting earnings, guidance, and trial outcomes.

Company-level read

Ticker impact

$SNOWBullishHigh confidence
Context

Snowflake shares surged 24% after Q2 results beat expectations and raised full-year product revenue guidance.

Expected impact

Continued pre‑market rally into open, potential further gains if guidance holds.

Evidence & confidence

Earnings beat and guidance raise are fresh primary disclosures driving a large price move.

$HPEBearishMedium confidence
Context

HPE slipped 3% while forecasting FY earnings growth of 16‑20% versus consensus 18.7% and cash flow at least $5 bn.

Expected impact

Potential downside pressure in early trade.

Evidence & confidence

Guidance miss is a primary disclosure affecting valuation.

$AVGOBearishMedium confidence
Context

Broadcom fell 2.5% after Q4 revenue forecast of $34.8 bn missed $35.03 bn estimate and margin guidance fell short.

Expected impact

Likely further decline in pre‑market trading.

Evidence & confidence

Fresh forecast miss is a primary catalyst.

$CPBBearishMedium confidence
Context

Campbell's dropped ~7% after FY2027 earnings guidance of $1.65‑$1.80 missed $1.83 consensus.

Expected impact

Continued downside risk in early session.

Evidence & confidence

Guidance miss is a new data point.

$RAREBearishHigh confidence
Context

Ultragenyx plunged >46% after Phase 3 trial for Angelman syndrome failed to meet primary endpoint.

Expected impact

Further decline expected as investors reassess pipeline.

Evidence & confidence

Clinical trial failure is a material, primary disclosure.

$MRNABearishLow confidence
Context

Moderna fell >2% after being downgraded to sell by Rothschild & Co Redburn.

Expected impact

Likely modest further decline.

Evidence & confidence

Analyst downgrade is a new catalyst but modest impact.

$FIVEBullishMedium confidence
Context

Five Below rose 4.5% after Q2 earnings of $1.68 per share and revenue of $1.26 bn beat expectations.

Expected impact

Potential further gains in early trade.

Evidence & confidence

Earnings beat is a primary disclosure.

$NTAPBearishMedium confidence
Context

NetApp dropped 8% after Q1 deferred revenue of $4.85 bn missed $4.86 bn estimate and margin beat.

Expected impact

Likely further downside in pre‑market.

Evidence & confidence

Fresh revenue guidance is primary news.

Market effects

Software and biotech sectors see mixed reactions; earnings beats lift peers while misses drag them.

U.S. pre‑market activity influenced by multiple earnings releases across technology and consumer staples.

Limited to U.S. listed companies; no broader macro impact.

Counterpoint

Some stocks (e.g., Moderna) may rebound if downgrade sentiment fades; others (e.g., Ultragenyx) could be oversold after trial failure.

Key entities

  • Snowflake

    Cloud data‑warehousing firm

  • Broadcom

    Semiconductor and infrastructure software

  • Ultragenyx

    Biotech focused on rare diseases

Related articles

$MRNAHighAI 8/10

Details of Moderna's Breakthrough Cancer Vaccine Got Leaked. Its Stock is Plunging.

Moderna's stock fell 25% on Thursday despite positive leaked data showing its cancer vaccine, developed with Merck, reduced melanoma recurrence risk by over 40% when combined with Keytruda. The vaccine also reduced cancer spread risk by 38%. Moderna's stock has risen over 500% this year on vaccine expectations. The trial focused on personalized treatment for melanoma, with experts calling it a landmark in cancer research.

$MRNAMedAI 8/10

Moderna, Merck shares fall on eagerly anticipated cancer vaccine results

Moderna and Merck's cancer vaccine, intismeran autogene, combined with Keytruda, met its main goal in a late-stage trial, reducing the risk of disease recurrence or death by 42% compared to Keytruda alone. Despite this, shares of both companies fell, with Moderna down nearly 25% and Merck around 1%. Analysts defended the results, calling them compelling and practice-changing.

$MRNAHighAI 8/10

Moderna stock crashes as leaked melanoma data threatens its record August rally

Moderna's (MRNA) stock dropped sharply after leaked data from a melanoma vaccine trial showed a 42% reduction in cancer recurrence or death, lower than an earlier trial. The stock is on track for its biggest drop on record, erasing over $23 billion in market value. Merck (MRK), Moderna's partner, confirmed the early release of the data. The full results are set for release on Saturday. Moderna's stock had nearly quadrupled since mid-August.

$MRKHigh

Merck and Moderna Will Present Results From Landmark Phase 3 INTerpath-001 Trial for Intismeran Autogene Plus KEYTRUDA® (pembrolizumab) at ESMO 2026 Presidential Symposium

Merck (MRK) and Moderna (MRNA) announced positive Phase 3 trial results for intismeran autogene (mRNA-4157) combined with KEYTRUDA (pembrolizumab) in melanoma. The combo reduced recurrence or death risk by 42% and distant metastasis or death risk by 38% vs. KEYTRUDA alone. Results will be presented at ESMO 2026. The companies plan regulatory discussions.