A French court has ordered Switzerland's largest bank, UBS, to pay five billion dollars in fines for tax fraud.<br />The court in Paris found the bank guilty of helping wealthy French clients stash undeclared funds in Swiss accounts through aggravated money laundering.<br />The penalty is reported to be a record for such a case in France.<br />UBS slammed the ruling, saying the conviction was based on "unfounded allegations of former employees".<br />It also vowed to appeal the ruling. <br />