GreenBox POS (GBOX) dropped 17% after a new short report from The Bear Cave.The Bear Cave report is critical of the company's management, alleges "self-dealing" as well as "numerous" lawsuits.GreenBox shares gained about 2500% over the last year before today.GreenBox POS stock jumps April 6 after raising 2021 processing volume estimates to at least $1.2B