French 3D design software company Dassault Systemes saw its stock plummet more than 8% Monday as investors grapple with concerns over AI's impact on the software sector. AlphaValue downgraded the firm to "reduce" from "buy," citing uncertainty around AI monetization and what it called a "worrying loss of momentum" in the company's business performance.

The French firm now projects 2026 growth at just 3-5%, reflecting persistent macroeconomic headwinds and unfavorable currency effects. AlphaValue specifically highlighted that "the lack of clarity surrounding AI monetisation is now the true breaking point," noting clients hesitate to commit without clear evidence of productivity gains from AI implementation.

AlphaValue declared the end of what it termed the "Dassault Systemes exception," suggesting the company's traditionally premium growth profile compared to peers is no longer justified. The sell-off mirrors broader market anxieties that have erased over a trillion dollars in equity value recently as investors reassess AI's potential to disrupt established software business models.