TOP TIERMARKET NEWSWIRE
Movers explained · 2026-09-04

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

Why Is NORTHROP GRUMMAN COR (NOC) Stock Moving Today?

By the Top Tier Newswire AI Desk · September 4, 2026 at 9:34 PM ET · reviewed against 11 wire stories

NORTHROP GRUMMAN COR (NOC) is drawing unusual attention today. Our newswire has captured 11 stories on NOC across 6 sources in the last 36 hours, with AI sentiment reading bullish (avg 65/100).

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Northrop Grumman (NOC) shares are moving lower today amid a broader sell-off in the stock, which has declined 5.9% over the past eight sessions. The stock opened at $527.06 but has since fallen to $516.00 as of the latest trade. The downward trajectory appears to be part of a broader underperformance relative to the S&P 500 over the past year, despite recent contract wins that could support long-term growth.

What Happened

Northrop Grumman was awarded two significant contracts in recent days. The Missile Defense Agency awarded a $508.49 million contract for flight test and logistics support through 2035. Separately, the company received a $111.35 million Navy contract. These awards add to a $863 million contract announced earlier for the development of missile defense systems. Despite these developments, the stock has not seen an immediate positive reaction, with investors seemingly focused on broader market dynamics or valuation concerns.

What The Data Shows

The stock is currently trading within its 52-week range of $479.02 to $774.00, and has printed 29 fresh 52-week lows on September 4. The intraday session has seen a sharp decline from its open, with volume at 0.7 million shares, 0.8 times the 3-month average. The stock is trading at a price-to-earnings ratio of 16.8, with a net margin of 10.5%. Recent insider activity includes a sale by director Mark A. Welsh III, while recent congressional trades by Donald J. Trump include both purchases and sales in small amounts.

What To Watch

The stock is currently trading below its 52-week high and appears to be under pressure from broader market trends. Investors may look to future earnings reports for insight into the company’s performance relative to its recent contract wins.

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.

NOC by the numbers

7 sessions: -5.91%Coverage: 11 stories / 6 sourcesAI sentiment: 65/100 (bullish)Mkt cap: $74.4BP/E: 16.852w: $479.02 to $774.00
NOC · Sep 4 session (5-min) · -2.32% vs prior close · updated 9:34 PM ET
$512$521$529prev close $528.24$516.008:10 AM10:56 AM1:42 PM4:28 PM7:15 PM8:10 AM · $527.008:30 AM · $525.829:20 AM · $526.009:30 AM · $522.529:35 AM · $521.789:40 AM · $522.099:45 AM · $523.959:50 AM · $521.529:55 AM · $520.9410:00 AM · $520.0810:05 AM · $519.4710:10 AM · $521.4710:15 AM · $521.3710:20 AM · $522.0710:25 AM · $521.4110:30 AM · $522.7710:35 AM · $521.9410:40 AM · $519.6010:45 AM · $517.3510:50 AM · $518.5410:55 AM · $518.6811:00 AM · $519.4711:05 AM · $519.0711:10 AM · $519.1811:15 AM · $520.0911:20 AM · $520.0011:25 AM · $519.2211:30 AM · $518.5611:35 AM · $519.1911:40 AM · $519.6011:45 AM · $520.0511:50 AM · $520.7911:55 AM · $520.7012:00 PM · $519.1812:05 PM · $519.2812:10 PM · $519.4712:15 PM · $519.6912:20 PM · $519.2612:25 PM · $518.9412:30 PM · $518.7612:35 PM · $518.8312:40 PM · $518.9712:45 PM · $519.5312:50 PM · $519.4812:55 PM · $519.521:00 PM · $519.111:05 PM · $519.111:10 PM · $518.221:15 PM · $518.161:20 PM · $518.031:25 PM · $518.081:30 PM · $517.551:35 PM · $517.201:40 PM · $516.831:45 PM · $515.651:50 PM · $515.971:55 PM · $515.852:00 PM · $515.822:05 PM · $515.972:10 PM · $516.012:15 PM · $516.002:20 PM · $516.402:25 PM · $516.492:30 PM · $517.562:35 PM · $516.312:40 PM · $515.972:45 PM · $515.972:50 PM · $515.502:55 PM · $515.373:00 PM · $514.693:05 PM · $515.133:10 PM · $514.853:15 PM · $515.093:20 PM · $514.833:25 PM · $515.553:30 PM · $514.553:35 PM · $514.033:40 PM · $513.823:45 PM · $514.213:50 PM · $512.863:55 PM · $514.934:00 PM · $515.004:10 PM · $514.984:15 PM · $514.984:20 PM · $515.064:25 PM · $515.504:50 PM · $514.985:15 PM · $514.986:10 PM · $515.766:30 PM · $515.756:40 PM · $516.006:45 PM · $515.507:00 PM · $516.457:10 PM · $516.007:15 PM · $516.00
AI sentiment, last 36h · averaged over 11 stories · 65/100 bullish
AI sentiment 65/100 (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 agopublishMorningstar · sentiment 73 · Northrop Grumman Is Awarded $863 Million Missile Device ContractMorningstar · 73Northrop Grumman Is Awarded $863 Million Missile Device ContractBarchart · sentiment 50 · Is Northrop Grumman Stock Underperforming the S&P 500?Barchart · 50Is Northrop Grumman Stock Underperforming the S&P 500?Barchart · sentiment 53 · Is Northrop Grumman Stock Underperforming the S&P 500? - barchart.comBarchart · 53Is Northrop Grumman Stock Underperforming the S&P 500? - barchart.comThe Fly · sentiment 71 · Northrop Grumman awarded $508.49M Missile Defense Agency contractThe Fly · 71Northrop Grumman awarded $508.49M Missile Defense Agency contractSeeking Alpha · sentiment 71 · Northrop Grumman lands 9-year, $508.49M missile defense dealSeeking Alpha · 71Northrop Grumman lands 9-year, $508.49M missile defense dealThe Fly · sentiment 71 · Northrop Grumman awarded $111.35M Navy contractThe Fly · 71Northrop Grumman awarded $111.35M Navy contractMorningstar · sentiment 67 · Northrop Grumman Awarded $508.5 Million U.S. Missile Defense Agency ContractMorningstar · 67Northrop Grumman Awarded $508.5 Million U.S. Missile Defense Agency ContractQuartz · sentiment 55 · Is Northrop Grumman Expanding Its International Defense Business? - qz.comQuartz · 55Is Northrop Grumman Expanding Its International Defense Business? - qz.com
8d agoQuartzBULLISH 55General

Is Northrop Grumman Expanding Its International Defense Business? - qz.com

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

8d agoMorningstarBULLISH 67Product/PR

Northrop Grumman Awarded $508.5 Million U.S. Missile Defense Agency Contract

Northrop Grumman Systems was awarded a contract for $508.5 million to provide flight test support for the Intermediate Range Ballistic Missile/Intercontinental Ballistic Missile targets, the Pentagon said.

8d agoThe FlyBULLISH 71General

Northrop Grumman awarded $111.35M Navy contract

8d agoSeeking AlphaBULLISH 71Product/PR

Northrop Grumman lands 9-year, $508.49M missile defense deal

Northrop Grumman wins a $508.49M Missile Defense Agency follow-on contract through 2035 for flight test and logistics support—see key terms and funding.

8d agoThe FlyBULLISH 71Product/PR

Northrop Grumman awarded $508.49M Missile Defense Agency contract

8d agoBarchartNEUTRAL 50General

Is Northrop Grumman Stock Underperforming the S&P 500?

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

8d agoBarchartNEUTRAL 53General

Is Northrop Grumman Stock Underperforming the S&P 500? - barchart.com

Northrop Grumman has underperformed the S&P 500 over the past year, but analysts are cautiously optimistic about the stock’s prospects.

9d agoMorningstarBULLISH 73Product/PR

Northrop Grumman Is Awarded $863 Million Missile Device Contract

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

Earlier NOC move explainers: 2026-09-04