Nasdaq: Dot.Com Repeat?

Its no secret that stocks are currently expensive. QE and other monetary policies have pushed multiple companies into the trillion dollar market cap. Is a repeat of the Dot Com bubble possible? Not sure, but one thing I would put my money on is this... entire economies are coming to a halt because of the coronavirus. This will trigger liquidity injections and spike the market... you know what they say... "what goes up, must come down..."