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Last updated : 20/05/2026 - 16h23
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Nanobiotix Stock Plummets 7.17% to €35.72 Despite a 919% Yearly Increase

The French biotech company experiences a second significant session of decline after reaching a record high last week. The stock is back to levels not seen since early May, despite an annual performance still exceeding 900%. This movement contrasts with a 0.68% rise in the SBF 120 during the session.


Nanobiotix Stock Plummets 7.17% to €35.72 Despite a 919% Yearly Increase

Sharp Profit-Taking After Last Week's Post-Study CONVERGE Rally

Nanobiotix stock falls 7.17% to €35.72 mid-session, ranking as the worst performer in the SBF 120 while the broader index gains 0.68%. The stock continues the correction that began yesterday, following Tuesday's 8.24% decline. The weekly drop reaches 11.28%, but the annual performance remains spectacular at over 919%.

This movement follows the presentation of phase 2 CONVERGE data on the drug candidate JNJ-1900, developed in partnership with Johnson & Johnson for non-small cell lung cancer. The study reported an overall response rate of 85.7% in the first part. The initial enthusiasm had propelled the stock, before traders moved into a profit-taking phase. The three-month performance is still strong at 60.18%.

Portzamparc Sets a Target at €35, in Line with the Current Price

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Portzamparc released a target price of €35 on Monday, with a 'hold' recommendation. The level is now almost reached after today's decline: at €35.72, the price is 2% above the target set by the research firm. This publication comes in a context of reevaluation by analysts after the stock's exceptional rally.

In terms of indicators, the price remains well above its moving averages: +4.35% above the MM20 (€34.23), +18% above the MM50 (€30.27), and +80.4% above the MM200 (€19.80). The RSI at 57 returns to a neutral zone after recent peaks, indicating the exhaustion of the buying momentum. The identified technical support is at €25.62, still far from current levels. The resistance at €46.18, close to the record high, now frames the upper zone of the movement.



Sector Santé · Biotechnologies · Pharmacie Biotechnologie


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The information presented in this article is provided for informational purposes only and does not constitute an investment recommendation, an incentive to buy or sell a financial asset, or investment advice. Readers are invited to conduct their own research before making any decision.

Investments in the stock market involve risks, including the risk of capital loss. Past performance of an asset or market is no guarantee of future results. Any investment decision should be made taking into account your personal financial situation, objectives and risk tolerance.

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