I would call this action to be directly related to the economy... Albeit GMC was small stock. There could be some open questions of market stability that were clearly under-covered. It is reasonable to look into this and if similar situation could lead to larger market impact.
Sure, and that’s what the SEC is for. I’ve been unemployed for a year and couldn’t care less about wall street.
Congress has exactly two issues they should be focusing on: stimulus and vaccination. This is just another piece of theatre designed to distract us from the bigger picture.