https://www.reuters.com/article/us-wirecard-accounts/wirecard-thinks-its-2-1-billion-cash-was-a-fiction-in-growing-disaster-idUSKBN23T06V

Wirecard said on Monday that 1.9 billion euros ($2.1 billion) it had booked in its accounts likely never existed, a black hole that threatens to engulf the payments firm and tarnish the reputation of Germany's financial watchdog.