Weekly Roundup: Hundreds of Medical Marijuana ATMs Shut Down, Russian Banks Challenge EU sanctions, and More

The former head of UBS AG's wealth management division in the Americas told jurors this week that his former boss, Raoul Weil, micromanaged the bank's efforts to help U.S. clients skimp on taxes, Reuters reported. Prosecutors have accused Weil of orchestrating the bank's management of $20 billion in American assets. More Swiss officials raided several banks Thursday morning in response to Germany's request for assistance in a fraud and tax evasion case against 30 people, including bank employees and attorneys, reported. More Polish officials detained an employee of Swiss private bank Vontobel as part of a probe into the...