TOP TIERMARKET NEWSWIRE
Movers explained · 2026-09-04

Archived explainer. For the current picture see today's AMBA page.

Why Is AMBARELLA INC (AMBA) Stock Down Today?

By the Top Tier Newswire AI Desk · September 4, 2026 at 12:29 AM ET · reviewed against 14 wire stories

AMBARELLA INC (AMBA) is down -5.60% in the latest session. Our newswire has captured 14 stories on AMBA across 7 sources in the last 36 hours, with AI sentiment reading mixed (avg 57/100).

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Ambarella Inc. stock fell 5.60% to $63.38 in morning trading on Wednesday. The decline followed the company’s Q2 2027 earnings report and a Q3 revenue outlook that, while slightly above expectations, failed to excite investors. The stock has been volatile recently, trading within a 52-week range of $48.30 to $96.69, and has declined 6.6% over the past eight sessions.

What Happened

Ambarella reported Q2 2027 non-GAAP earnings of $0.18 per share, beating the $0.17 consensus by $0.01. Revenue for the quarter was $108.13 million, up 13.2% year-over-year and $0.37 million above the estimated $107.75 million. The company also outlined a Q3 revenue outlook of $115 million to $124 million, below the $119.31 million estimate. Despite the earnings beat and revenue growth, the stock declined as the outlook and broader market conditions raised concerns about near-term momentum.

Ambarella also announced a partnership with Capgemini to accelerate enterprise adoption of its edge and physical AI technologies and appointed Macnica as a non-exclusive authorized distributor. These moves signaled a strategic expansion but did not offset investor concerns about execution risks or the broader market environment for AI infrastructure. Recent insider transactions show multiple executives, including the CEO and a senior vice president, sold shares in July, totaling $4.6 million in the last 90 days.

What The Data Shows

The stock has traded in a downward trend over the past eight sessions, falling from $70.44 to $65.78. Ambarella has a market capitalization of $3.0 billion, with a trailing twelve-month revenue growth of 28.1% but a net loss of $1.62 per share. The stock’s beta of 2.12 suggests high volatility relative to the market. On September 3, the stock printed two fresh 52-week highs and 25 fresh 52-week lows, reflecting a mixed trading environment.

What To Watch

Ambarella’s Q3 performance will be critical for near-term investor sentiment. The company’s ability to execute on its edge AI expansion and manage supply risks will be key factors to monitor.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.

AMBA by the numbers

Last: $63.38Session: -5.60%7 sessions: -13.09%Coverage: 14 stories / 7 sourcesAI sentiment: 57/100 (mixed)Mkt cap: $3.0B52w: $48.30 to $96.69
AMBA · Sep 4 session (5-min) · -0.14% vs prior close · updated 8:56 PM ET
$58.71$61.92$65.13prev close $63.38$63.297:00 AM10:13 AM1:27 PM4:41 PM7:55 PM7:00 AM · $64.017:05 AM · $63.377:10 AM · $63.507:15 AM · $62.447:20 AM · $63.197:25 AM · $64.147:30 AM · $63.537:35 AM · $63.407:40 AM · $63.377:45 AM · $63.827:50 AM · $63.638:00 AM · $63.008:05 AM · $62.648:10 AM · $62.978:15 AM · $62.628:20 AM · $62.708:25 AM · $62.958:30 AM · $62.018:35 AM · $62.008:40 AM · $62.128:45 AM · $62.309:00 AM · $62.929:05 AM · $63.009:10 AM · $63.009:20 AM · $63.339:25 AM · $63.989:30 AM · $60.009:35 AM · $59.249:40 AM · $59.059:45 AM · $60.279:50 AM · $59.599:55 AM · $59.4010:00 AM · $59.6710:05 AM · $60.1410:10 AM · $60.6710:15 AM · $60.9710:20 AM · $60.4410:25 AM · $59.8810:30 AM · $60.2710:35 AM · $60.6210:40 AM · $60.5910:45 AM · $60.6610:50 AM · $61.3010:55 AM · $61.6311:00 AM · $61.2611:05 AM · $60.9911:10 AM · $61.5511:15 AM · $61.5811:20 AM · $61.3211:25 AM · $61.3211:30 AM · $61.6411:35 AM · $62.2211:40 AM · $61.7011:45 AM · $61.6811:50 AM · $62.1711:55 AM · $61.9212:00 PM · $62.0712:05 PM · $62.6512:10 PM · $62.7512:15 PM · $62.7112:20 PM · $62.8812:25 PM · $63.0212:30 PM · $63.0912:35 PM · $63.2012:40 PM · $64.0412:45 PM · $64.0512:50 PM · $64.0212:55 PM · $64.111:00 PM · $64.361:05 PM · $64.681:10 PM · $64.791:15 PM · $64.621:20 PM · $64.341:25 PM · $64.381:30 PM · $64.171:35 PM · $64.031:40 PM · $63.851:45 PM · $63.751:50 PM · $63.531:55 PM · $63.402:00 PM · $63.622:05 PM · $63.802:10 PM · $64.052:15 PM · $63.912:20 PM · $63.522:25 PM · $63.482:30 PM · $63.532:35 PM · $63.482:40 PM · $63.412:45 PM · $63.922:50 PM · $63.552:55 PM · $63.303:00 PM · $63.493:05 PM · $63.673:10 PM · $63.503:15 PM · $63.883:20 PM · $64.063:25 PM · $63.693:30 PM · $64.063:35 PM · $63.783:40 PM · $62.863:45 PM · $62.623:50 PM · $62.793:55 PM · $62.944:00 PM · $63.154:15 PM · $63.004:20 PM · $62.994:30 PM · $63.004:35 PM · $63.004:40 PM · $63.384:50 PM · $63.005:30 PM · $63.305:35 PM · $63.295:40 PM · $63.305:55 PM · $63.296:05 PM · $63.336:10 PM · $63.126:15 PM · $63.106:25 PM · $62.976:45 PM · $63.016:55 PM · $63.157:00 PM · $63.097:25 PM · $63.207:30 PM · $63.297:35 PM · $63.207:40 PM · $63.107:45 PM · $63.297:50 PM · $63.177:55 PM · $63.29
AI sentiment, last 36h · averaged over 14 stories · 57/100 bullish
AI sentiment 57/100 (bullish)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 8 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishSeeking Alpha · sentiment 68 · Ambarella Non-GAAP EPS of $0.18 beats by $0.01, revenue of $108.13M beats by $0.37MSeeking Alpha · 68Ambarella Non-GAAP EPS of $0.18 beats by $0.01, revenue of $108.13M beats by $0.37MInvestors.com · sentiment 48 · Chipmaker Ambarella Posts Mixed Fiscal Q2 Earnings ReportInvestors.com · 48Chipmaker Ambarella Posts Mixed Fiscal Q2 Earnings ReportSEC 8-K · sentiment 50 · AMBARELLA INC (AMBA) files 8-KSEC 8-K · 50AMBARELLA INC (AMBA) files 8-KThe Fly · sentiment 56 · Ambarella reports Q2 EPS 18c, consensus 17cThe Fly · 56Ambarella reports Q2 EPS 18c, consensus 17cThe Fly · sentiment 56 · Ambarella appoints Macnica as non-exclusive authorized distributorThe Fly · 56Ambarella appoints Macnica as non-exclusive authorized distributorThe Fly · sentiment 58 · Ambarella hires Capgemini to speed enterprise adoption of edge, physical AIThe Fly · 58Ambarella hires Capgemini to speed enterprise adoption of edge, physical AISeeking Alpha · sentiment 50 · Ambarella, Inc. (AMBA) Q2 2027 Earnings Call TranscriptSeeking Alpha · 50Ambarella, Inc. (AMBA) Q2 2027 Earnings Call TranscriptSeeking Alpha · sentiment 67 · Ambarella outlines $115M-$124M Q3 revenue outlook while expanding edge infrastructure push with X7 acceleratorSeeking Alpha · 67Ambarella outlines $115M-$124M Q3 revenue outlook while expanding edge infrastructure pus…
9d agoSeeking AlphaBULLISH 67Product/PR

Ambarella outlines $115M-$124M Q3 revenue outlook while expanding edge infrastructure push with X7 accelerator

Ambarella (AMBA) Q2 FY2027 earnings call recap: edge AI ramp, X7 accelerator, SAM outlook, Q3 guidance, and memory supply risks.

9d agoSeeking AlphaNEUTRAL 50Earnings

Ambarella, Inc. (AMBA) Q2 2027 Earnings Call Transcript

Ambarella, Inc. (AMBA) Q2 2027 Earnings Call September 3, 2026 4:30 PM EDTCompany ParticipantsLouis Gerhardy - Vice President of Corporate DevelopmentFermi...

9d agoThe FlyBULLISH 58Product/PR

Ambarella hires Capgemini to speed enterprise adoption of edge, physical AI

9d agoThe FlyBULLISH 56General

Ambarella appoints Macnica as non-exclusive authorized distributor

9d agoThe FlyBULLISH 56Earnings

Ambarella reports Q2 EPS 18c, consensus 17c

9d agoSEC 8-KNEUTRAL 50General

AMBARELLA INC (AMBA) files 8-K

Filed: 2026-09-03 AccNo: 0001193125-26-381923 Size: 277 KB Item 2.02: Results of Operations and Financial Condition Item 9.01: Financial Statements and Exhibits

9d agoInvestors.comNEUTRAL 48Earnings

Chipmaker Ambarella Posts Mixed Fiscal Q2 Earnings Report

Comprehensive up-to-date news coverage, aggregated from sources all over the world by Google News.

9d agoSeeking AlphaBULLISH 68Earnings

Ambarella Non-GAAP EPS of $0.18 beats by $0.01, revenue of $108.13M beats by $0.37M

Ambarella press release (AMBA): Q2 Non-GAAP EPS of $0.18 beats by $0.01.Revenue of $108.13M (+13.2% Y/Y) beats by $0.37M.Based on information available as...

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

Earlier AMBA move explainers: 2026-09-10 · 2026-09-09 · 2026-09-04 · 2026-09-03 · 2026-08-24