A French judge on Thursday placed UBS AG, the Swiss parent company, under formal investigation on suspicion that it illegally sold banking services to French citizens that helped them to set up secret accounts abroad. http://dealbook.nytimes.com/2013/06/07/ubs-under-investigation-for-tax-evasion-in-france/?ref=world The Swiss bank also was identified as an ‘‘assisted witness,’’ a less serious status, in a concurrent investigation of […]