The company, whose businesses include cybersecurity and next-generation computing, spooked investors on Tuesday with a plan to split its operations and sell assets as well as the departure of CEO Rodolphe Belmer, sending its shares plunging by more than 25%.

The official added that the government in particular is monitoring Atos' shareholding structure. Including Tuesday's losses, the company's market capital has almost halved over the last week.

(Reporting by Mathieu Rosemain, writing by Tassilo Hummel; Editing by Kirsten Donovan)