1d agoGuruFocusBEARISH 38General
Archived explainer. For the current picture see today's MIR page.
Why Is MIRION TECHNOLOGIES A (MIR) Stock Down Today?
By the Top Tier Newswire AI Desk · November 12, 2026 at 12:16 AM ET · reviewed against 4 wire stories
MIRION TECHNOLOGIES A (MIR) is down -8.10% in the latest session. Our newswire has captured 4 stories on MIR across 3 sources in the last 36 hours, with AI sentiment reading bearish (avg 39/100).
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Mirion Technologies (MIR) shares fell 8.10% to $17.70, marking a sharp reversal after a recent period of strength. The primary driver appears to be a cooling of recent gains, with the stock retreating from a five-day advance of over 12%.
What Happened
The decline follows a volatile stretch where Mirion shares had gained nearly 16% in the past month. Recent trading saw the stock fall nearly 7% to $17.94 before the final drop to $17.70. B. Riley Securities maintained its Buy rating on the stock but lowered its price target to $25. The company recently announced its third-quarter 2026 financial results and is scheduled to present at Baird's 2026 Global Industrial Conference. Additionally, Sun Nuclear, a Mirion Medical company, launched the Simon command center for radiation oncology.
What The Data Shows
Fundamentals show a market cap of $4.7 billion with a P/E ratio of 179.7. Revenue grew 19.6% over the trailing twelve months, while the net margin stands at 2.7%. The stock has a beta of 1.07 and trades within a 52-week range of $14.04 to $28.28. On November 11, 2026, the stock printed one fresh 52-week high and eight fresh 52-week lows. Insider activity includes a buy by CFO Brian Schopfer on September 2, 2026, totaling $312,000. Congressional disclosures show Rep. Ro Khanna bought between $1,001 and $15,000 on September 1, 2026. Former President Donald Trump bought between $15,001 and $50,000 on August 31, 2026, and sold between $50,001 and $100,000 on July 29, 2026. The 30-day average sentiment score is 50, while the last seven days average 42, indicating a deteriorating trend.
What To Watch
Investors will monitor the company's upcoming presentation at Baird's 2026 Global Industrial Conference. The stock's valuation metrics, particularly the high P/E ratio relative to its net margin, remain key factors as the share price consolidates after its recent rally.
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.
MIR by the numbers
Last: $17.70Session: -8.10%Coverage: 4 stories / 3 sourcesAI sentiment: 39/100 (bearish)Mkt cap: $4.7BP/E: 179.752w: $14.04 to $28.28
The headlines behind the move
2d agoGuruFocusBEARISH 38General
Mirion Technologies (MIR) Shares Fall Nearly 6% Amid Mixed Valuation Signals
2d agoSeeking AlphaBEARISH 42General
Mirion Technologies falls 6% as recent gains cool
Mirion Technologies shares fall nearly 7% to $17.94 in latest trading; the stock gains over 12% in five days and nearly 16% in a month.
2d agoThe FlyBEARISH 38General
Mirion falls -6.7%
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More on MIR: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.
Earlier MIR move explainers: 2026-11-12 · 2026-11-11 · 2026-09-03