$RDDT

Reddit, Pinterest shares tumble on weak user and revenue growth

Reddit and Pinterest shares fell in premarket trading after Reddit warned of potential user declines due to Google's AI features and Pinterest forecasted weak Q4 revenue. Reddit's search referrals dropped by over 1 million weekly in October, potentially reducing daily active users. Pinterest's Q3 revenue missed estimates at $1.17B and forecasted Q4 revenue below expectations. Reddit extended cloud service agreements with AWS and Google, committing $880M and $580M respectively.

Original reporting
Published Oct 30, 2026, 11:40 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 30, 2026, 11:52 AM 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.
AlphAI market briefMarket movers
Primary signal
$RDDT
Bearish
high confidence
Mentioned
$RDDT · $PINS
Relevance
7/10
AlphAI data visualization · based on investing.com
Decision brief

The 30-second read

$RDDTBearishHigh
01

Why it matters

The announcements represent the first public disclosure of these adverse trends, creating actionable trading opportunities.

02

Market read

Both stocks are experiencing sharp sell‑offs due to new negative guidance, affecting the broader digital advertising sector.

03

What to watch

Pinterest's European revenue flatness may be mitigated by upcoming product innovations not yet disclosed.

Relevance 7/10Novelty 7/10Timing: pre‑market today

Background

Reddit and Pinterest disclosed fresh guidance and user‑traffic concerns that triggered immediate pre‑market price declines.

Company-level read

Ticker impact

$RDDTBearishHigh confidence
Context

Reddit warned that Google AI search could cut its user base, leading to a 23% pre‑market tumble.

Expected impact

likely further pressure as the market prices in lower user growth and revenue outlook

Evidence & confidence

The warning about AI‑driven traffic loss is a fresh, material catalyst causing a double‑digit drop.

$PINSBearishHigh confidence
Context

Pinterest forecast Q4 revenue below estimates, sending the stock down 8% in pre‑market trading.

Expected impact

downward pressure as investors adjust expectations to the lower guidance

Evidence & confidence

The new revenue forecast is a primary disclosure that directly impacts valuation.

Market effects

Both companies operate in the social media/online advertising sector, suggesting broader pressure on ad‑spend forecasts.

U.S. tech‑heavy indices may open lower as the news spreads.

Highlights the impact of AI‑driven search changes on digital platforms worldwide.

Counterpoint

If AI search shifts drive users to alternative platforms, long‑term growth could emerge for Reddit.

Key entities

  • Reddit

    Social media platform facing AI‑driven traffic loss.

  • Pinterest

    Visual discovery platform forecasting weaker Q4 revenue.

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$RDDTMed

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$RDDTHigh

Evercose ISI downgrades Reddit, says monetization may not offset traffic weakness

Evercore ISI downgraded Reddit to In Line from Outperform, cutting its price target to $120 from $265. The firm cited concerns over declining user traffic due to AI search summaries, despite Q3 earnings and revenue beating estimates. Reddit shares fell 29% post-earnings, with Q4 revenue guidance below expectations. The company reported a 2% YoY drop in U.S. daily active users and warned of potential low-double-digit declines globally in Q4.