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 11, 2026 at 1:31 PM ET · reviewed against 3 wire stories
MIRION TECHNOLOGIES A (MIR) is down -6.72% in the latest session. Our newswire has captured 3 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 6.72% to $17.97 as recent gains cooled amid mixed valuation signals. The decline follows a period of strong momentum, with the stock having gained over 12% in the previous five days and nearly 16% in the past month.
What Happened
The session began with a 1.5% gap up to $19.55 from the prior close of $19.26. The stock reached a session high of $19.59 at 9:00 AM ET before reversing sharply to a low of $17.22 by 9:45 AM ET. Trading volume reached 5.2 million shares, which is 1.2 times the three-month daily average. B. Riley Securities recently reiterated a Buy rating on the stock but lowered its price target to $25. The company also announced it will present at Baird's 2026 Global Industrial Conference and reported that 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 and a P/E ratio of 179.7. Revenue grew 19.6% on a trailing twelve-month basis, 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. Recent 52-week data indicates the stock printed one fresh high and eight fresh lows on November 11, 2026. Insider activity includes a purchase by CFO Brian Schopfer on September 2, 2026, totaling $312,000. Congressional disclosures show Representative Ro Khanna bought between $1,001 and $15,000 on September 1, 2026, and Donald J. Trump bought between $15,001 and $50,000 on August 31, 2026.
What To Watch
Investors will monitor the company's upcoming third quarter 2026 financial results. The recent deterioration in sentiment trends, with the 30-day average at 51 and the last seven days at 43, suggests continued volatility as the stock 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.
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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