In March, 23-year-old UK Foreign Exchange trader Alex Hope made headlines for reportedly spending more than $320,000 on champagne at a Liverpool night club. Exactly one month later, he's back in the news. But this time, instead of libations, it's about allegations.Hope was arrested Tuesday by the U.K.'s Financial Services Authority "on suspicion of being involved in an unauthorised foreign exchange trading scheme," City A.M reported.