KEY POINTS
  • Fabricated accounting at Luckin Coffee led to a 75% decline in the Chinese company's stock on Thursday.
  • Luckin's chief operating officer stands accused of fabricating 2019 sales.
  • Muddy Waters Research calls the debacle a "wake up call" for regulators and investors.
A barista packs a coffee for online sales at a Luckin Coffee store in Beijing, China July 17, 2018.

Here we go again.

It sounds outrageous: The chief operating officer of Luckin Coffee, the largest domestic coffee chain in the China, was accused by his own company of fabricating much of its reported sales in 2019.