TOP TIERMARKET NEWSWIRE
Movers explained · 2026-09-03

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 3, 2026 at 9:57 PM 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 (AMBA) fell 5.60% to $63.38 in intraday trading on Tuesday, marking a significant decline despite reporting better-than-expected Q2 earnings. The stock opened at $67.24 but dropped steadily throughout the session, reaching a low of $59.32. The move reflects investor caution following the company's Q3 revenue guidance, which came in below estimates, and ongoing concerns about memory supply risks.

What Happened

Ambarella reported Q2 non-GAAP earnings of $0.18 per share, exceeding the $0.17 consensus. Revenue for the quarter was $108.13 million, up 13.2% year-over-year and slightly above the $107.75 million estimate. The company also outlined a Q3 revenue outlook of $115 million to $124 million, which is below the $119.31 million estimate. The earnings call highlighted ongoing challenges in the memory supply chain and risks to the company’s edge AI ramp. Additionally, Ambarella announced partnerships with Capgemini to accelerate enterprise adoption of edge and physical AI and appointed Macnica as a non-exclusive authorized distributor. These developments were accompanied by mixed reactions from the market.

What The Data Shows

The stock’s intraday performance was volatile, with a high of $67.71 and a low of $59.32. Trading volume was elevated at 2.1 million shares, 1.3 times the 3-month average. Over the past eight sessions, the stock has fallen 6.6%, from $70.44 to $65.78. The company’s fundamentals remain mixed: it is unprofitable with a trailing twelve-month EPS of -1.62, but revenue is up 28.1% TTM. The stock has printed two fresh 52-week highs and 25 fresh 52-week lows on September 3. Recent insider transactions show 9 sales totaling $4.6 million over the past 90 days, with the most recent filing on July 10.

What To Watch

Ambarella is not scheduled to report earnings in the near term. Investors should monitor the breadth of coverage and sentiment in the coming days, particularly as the company moves forward with its edge AI expansion and supply chain adjustments.

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: -6.62%Coverage: 14 stories / 7 sourcesAI sentiment: 57/100 (mixed)Mkt cap: $3.0B52w: $48.30 to $96.69
AMBA · Sep 3 session (5-min) · -8.79% vs prior close · updated 9:56 PM ET
$59.19$63.69$68.19prev close $67.14$61.247:00 AM10:13 AM1:27 PM4:41 PM7:55 PM7:00 AM · $67.247:05 AM · $67.007:10 AM · $67.207:15 AM · $67.007:20 AM · $67.007:30 AM · $67.147:45 AM · $66.707:50 AM · $66.817:55 AM · $66.988:00 AM · $67.208:05 AM · $67.008:10 AM · $67.008:15 AM · $67.008:20 AM · $67.538:25 AM · $67.358:35 AM · $67.508:50 AM · $67.718:55 AM · $67.499:00 AM · $67.209:10 AM · $67.619:20 AM · $67.709:25 AM · $66.709:30 AM · $66.339:35 AM · $66.369:40 AM · $65.759:45 AM · $66.289:50 AM · $66.419:55 AM · $66.4110:00 AM · $65.6610:05 AM · $65.4610:10 AM · $65.6510:15 AM · $66.0210:20 AM · $66.0010:25 AM · $65.9310:30 AM · $65.8510:35 AM · $65.7910:40 AM · $66.0910:45 AM · $66.0010:50 AM · $66.2710:55 AM · $66.4511:00 AM · $66.7711:05 AM · $66.4411:10 AM · $66.3211:15 AM · $66.2711:20 AM · $66.1311:25 AM · $66.1911:30 AM · $66.1411:35 AM · $66.0011:40 AM · $65.9711:45 AM · $65.8011:50 AM · $65.6611:55 AM · $65.8412:00 PM · $65.9412:05 PM · $65.9412:10 PM · $66.1012:15 PM · $66.2212:20 PM · $66.2812:25 PM · $66.1612:30 PM · $66.0912:35 PM · $66.2912:40 PM · $66.2612:45 PM · $65.8112:50 PM · $65.7712:55 PM · $65.611:00 PM · $65.641:05 PM · $65.601:10 PM · $65.641:15 PM · $65.731:20 PM · $65.861:25 PM · $66.101:30 PM · $65.981:35 PM · $66.221:40 PM · $66.231:45 PM · $65.781:50 PM · $65.671:55 PM · $65.712:00 PM · $65.772:05 PM · $65.142:10 PM · $65.312:15 PM · $64.402:20 PM · $64.662:25 PM · $64.702:30 PM · $64.542:35 PM · $64.212:40 PM · $63.962:45 PM · $64.222:50 PM · $64.272:55 PM · $63.823:00 PM · $64.263:05 PM · $63.753:10 PM · $63.663:15 PM · $63.333:20 PM · $63.493:25 PM · $63.293:30 PM · $63.123:35 PM · $63.353:40 PM · $63.203:45 PM · $63.293:50 PM · $63.363:55 PM · $63.394:00 PM · $64.504:05 PM · $63.104:10 PM · $63.704:15 PM · $64.004:20 PM · $63.834:25 PM · $64.004:30 PM · $64.174:35 PM · $64.004:40 PM · $63.654:45 PM · $63.654:50 PM · $63.804:55 PM · $63.715:00 PM · $62.435:05 PM · $62.295:10 PM · $62.985:15 PM · $60.505:20 PM · $60.295:25 PM · $59.795:30 PM · $59.675:35 PM · $60.425:40 PM · $60.415:45 PM · $60.105:55 PM · $61.256:00 PM · $61.206:05 PM · $61.086:10 PM · $61.326:15 PM · $61.216:20 PM · $61.406:25 PM · $61.036:30 PM · $61.386:35 PM · $61.356:40 PM · $61.356:45 PM · $61.086:50 PM · $61.306:55 PM · $61.077:05 PM · $61.257:10 PM · $61.267:15 PM · $61.247:35 PM · $61.247:45 PM · $61.247:50 PM · $61.247:55 PM · $61.24
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