HSBC says a former employee stole data which revealed the names of people holding money at its Swiss arm. Photo: SCMP

French HSBC tax case report reveals US$5b in Swiss funds

France needs to beef up its methods of fighting tax evasion, according to a parliamentary report on a probe into HSBC that revealed US$5 billion (HK$38.8 billion) of undeclared assets in thousands of Swiss bank accounts.