TOP TIERMARKET NEWSWIRE
Movers explained · October 29, 2026

Why Is PROTO LABS INC EQUIT Equity (PRLB) Stock Down Today?

By the Top Tier Newswire AI Desk · reviewed against 10 wire stories

PROTO LABS INC EQUIT Equity (PRLB) is down -14.46% in the latest session. Our newswire has captured 10 stories on PRLB across 6 sources in the last 36 hours, with AI sentiment reading bullish (avg 59/100).

Public view, delayed 4h. Every headline, price and sentiment read below — and this write-up itself — reaches Pro subscribers live. Public readers see it once it clears the delay.

The written analysis for PRLB publishes to the public page once it clears the 4-hour delay. The coverage, sentiment and session data below are already here.

PRLB by the numbers

Last: $77.76Session: -14.46%Coverage: 10 stories / 6 sourcesAI sentiment: 59/100 (bullish)
PRLB · today's session (5-min) · -13.03% vs prior close · updated 1:29 PM ET
$77.43$84.55$91.67prev close $90.91$79.067:00 AM8:36 AM10:12 AM11:48 AM1:25 PM7:00 AM · $88.008:20 AM · $88.008:25 AM · $87.509:30 AM · $85.739:35 AM · $85.019:40 AM · $85.779:45 AM · $86.339:50 AM · $85.979:55 AM · $84.7910:00 AM · $84.4910:05 AM · $84.8110:10 AM · $83.6010:15 AM · $84.1510:20 AM · $83.8210:25 AM · $83.8010:30 AM · $84.7610:35 AM · $84.5210:45 AM · $84.0210:50 AM · $84.8410:55 AM · $85.7011:00 AM · $85.8111:05 AM · $85.7511:10 AM · $84.7311:15 AM · $84.8911:20 AM · $85.0311:25 AM · $85.1111:30 AM · $85.1111:35 AM · $84.0111:40 AM · $84.1111:45 AM · $82.8411:50 AM · $82.8611:55 AM · $83.1212:00 PM · $83.4412:05 PM · $83.0412:10 PM · $82.9312:15 PM · $82.8312:20 PM · $82.5012:25 PM · $82.3912:30 PM · $81.4512:35 PM · $81.5812:40 PM · $81.2212:45 PM · $81.0312:50 PM · $80.4212:55 PM · $80.251:00 PM · $80.541:05 PM · $80.541:10 PM · $79.811:15 PM · $78.881:20 PM · $78.191:25 PM · $79.06
AI sentiment, last 36h · averaged over 10 stories · 59/100 bullish
AI sentiment 59/100 (bullish)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 10 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agonowBusiness Insider · sentiment 50 · Proto Labs Q3 2026 Earnings PreviewBusiness Insider · 50Proto Labs Q3 2026 Earnings PreviewStockTitan · sentiment 52 · Protolabs Reports Financial Results for the Third Quarter of 2026StockTitan · 52Protolabs Reports Financial Results for the Third Quarter of 2026SEC 8-K · sentiment 50 · Proto Labs Inc (PRLB) files 8-KSEC 8-K · 50Proto Labs Inc (PRLB) files 8-KThe Fly · sentiment 56 · Protolabs reports Q3 non-GAAP EPS 63c, consensus 60cThe Fly · 56Protolabs reports Q3 non-GAAP EPS 63c, consensus 60cSeeking Alpha · sentiment 74 · Proto Labs raises 2026 revenue growth outlook after record Q3 salesSeeking Alpha · 74Proto Labs raises 2026 revenue growth outlook after record Q3 salesThe Fly · sentiment 52 · Protolabs sees Q4 non-GAAP EPS 46c-54c, consensus 48cThe Fly · 52Protolabs sees Q4 non-GAAP EPS 46c-54c, consensus 48cThe Fly · sentiment 64 · Protolabs raises FY26 revenue view up to 10%-11% from 8%-10%The Fly · 64Protolabs raises FY26 revenue view up to 10%-11% from 8%-10%Seeking Alpha · sentiment 50 · Proto Labs, Inc. (PRLB) Q3 2026 Earnings Call TranscriptSeeking Alpha · 50Proto Labs, Inc. (PRLB) Q3 2026 Earnings Call TranscriptSeeking Alpha · sentiment 67 · Proto Labs forecasts Q4 revenue of $143M-$151M while lifting 2026 growth outlook to 10%-11%Seeking Alpha · 67Proto Labs forecasts Q4 revenue of $143M-$151M while lifting 2026 growth outlook to 10%-11%The Motley Fool · sentiment 74 · Proto Labs (PRLB) Q3 2026 Earnings Call TranscriptThe Motley Fool · 74Proto Labs (PRLB) Q3 2026 Earnings Call Transcript
1h agoThe Motley FoolBULLISH 74Earnings

Proto Labs (PRLB) Q3 2026 Earnings Call Transcript

Record quarter with fourth straight double-digit growth and 33% EPS expansion.

2h agoSeeking AlphaBULLISH 67Earnings

Proto Labs forecasts Q4 revenue of $143M-$151M while lifting 2026 growth outlook to 10%-11%

Proto Labs Q3 2026 earnings: record revenue, raised full-year outlook, and AI investments amid margin pressure.

2h agoSeeking AlphaNEUTRAL 50Earnings

Proto Labs, Inc. (PRLB) Q3 2026 Earnings Call Transcript

Proto Labs, Inc. (PRLB) Q3 2026 Earnings Call October 29, 2026 8:30 AM EDTCompany ParticipantsRyan Johnsrud - Senior Manager of IR & Corporate...

8h agoThe FlyBULLISH 64Earnings

Protolabs raises FY26 revenue view up to 10%-11% from 8%-10%

8h agoThe FlyNEUTRAL 52Earnings

Protolabs sees Q4 non-GAAP EPS 46c-54c, consensus 48c

8h agoSeeking AlphaBULLISH 74Earnings

Proto Labs raises 2026 revenue growth outlook after record Q3 sales

Proto Labs tops Q3 estimates, raises FY2026 revenue growth guidance, and expands margins across segments.

8h agoThe FlyBULLISH 56Earnings

Protolabs reports Q3 non-GAAP EPS 63c, consensus 60c

8h agoSEC 8-KNEUTRAL 50General

Proto Labs Inc (PRLB) files 8-K

Filed: 2026-10-29 AccNo: 0001443669-26-000043 Size: 637 KB Item 2.02: Results of Operations and Financial Condition Item 9.01: Financial Statements and Exhibits

8h agoStockTitanNEUTRAL 52Earnings

Protolabs Reports Financial Results for the Third Quarter of 2026

1d agoBusiness InsiderNEUTRAL 50Earnings

Proto Labs Q3 2026 Earnings Preview

Preview Proto Labs Q3 earnings before market open: rising EPS and revenue estimates, strong beat history, and key valuation risks.

Frequently asked questions

Why is PRLB stock down today?

PROTO LABS INC EQUIT Equity (PRLB) is down -14.46% in the latest session. Our newswire has captured 10 stories on PRLB across 6 sources in the last 36 hours, with AI sentiment reading bullish (avg 59/100). The most recent driver: "Proto Labs (PRLB) Q3 2026 Earnings Call Transcript" (The Motley Fool).

Is PRLB a buy right now?

Top Tier Newswire does not give financial advice. Our AI sentiment across the last 36 hours of PRLB coverage reads 59/100 over 10 stories; treat it as a research signal and do your own diligence.

How fast does this page update?

The data sections refresh continuously as the newswire lands coverage; the written analysis is published once per trading day. Pro subscribers additionally get real-time push alerts, watchlists, and the full live terminal.

More moves explained today

Want the next move before the crowd? The live terminal streams every headline in real time with watchlist alerts, AI sentiment, and the full data stack behind this page.Get Pro Access →

More on PRLB: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.