By Luc Olinga The online used car retailer fell almost 39% in one session on Wall Street, after disastrous quarterly results. Online car dealer Carvana is just a shadow of itself. Gone is the dream of a future where buying a vehicle online would become the principal, if not the only option. All that remains is a gray board with numbers that tell the story of how the dream turned into a nightmare. The last number is scary. Carvana (CVNA) – Get Carvana Co. Class A Report shares tumbled 39% to $8.76 during the November 4 session on Wall Street, the last session of the week. This daily drop transl…