Here is the story of A Man Lost 2.8 million on Terra in One Day
LUNA is a crypto currency designed in part to enable Terraform Labs' algorithmic stablecoin TerraUSD maintain its peg, or stable $1 value (UST). However, on May 9, UST lost its stability and has since fallen to just 38 cents. Because of the UST-LUNA relationship, the latter's stock plummeted from $62 on May 9 to only 1 cent.