PARIS (Reuters) - France's AMF stock market watchdog is in the midst of a formal investigation into criticism made by U.S. research firm Muddy Waters against French retailer Casino which should last a ...
* Probe likely to last few more months -source (Adds details and background) By Dominique Vidalon and Matthieu Protard PARIS, Nov 30 (Reuters) - France's AMF stock market watchdog is in the midst of a ...