Wirecard stock plummets 37% after the payments firm says $2 billion in missing cash likely doesn't exist

· *German payments startup Wirecard said on Monday that around $2 billion in cash missing from its balance sheet likely does not exist.*
· *Wirecard's shares plunged as much as 46%, and it withdrew its full-year-2019 and first-quarter-2020 results.*
· *Chief executive Markus Braun quit on Friday, capping a disastrous week...