The CAC 40 fell 0.5% to close at 8,436 on Tuesday as industrial and technology stocks declined.
STMicroelectronics tumbled 8%, tracking renewed global selling in chipmakers as investors questioned whether AI-driven earnings growth can be sustained if supply bottlenecks ease.
Industrials also came under pressure as higher oil prices linked to renewed US-Iran tensions lifted bond yields and revived inflation concerns.
Airbus fell 2.6%, Safran lost 2.8%, and Schneider Electric dropped 3.7%.
In contrast, luxury stocks advanced after JPMorgan highlighted resilient consumer demand and encouraging second-quarter sales trends.
LVMH gained 0.9%, L'Oréal rose 2.7%, and Hermès added 0.8%.
TotalEnergies climbed 0.9% as higher oil prices supported energy shares.