Summary: The downward spiral by Terra (LUNA) and TerraUSD (UST) has resulted in VanEck and 21Shares suspending the trading of two Terra-based exchange- traded products The two affected products are 21Shares' Terra ETP (ticker LUNA: SW) and VanEck's Terra ETN (ticker VLNA: GR) Both companies have stated that they are monitoring the situation with LUNA and UST to determine the next course of action...