CNBC host Jim Cramer said on Tuesday that cryptocurrency markets are "due for a push," but cautioned investors to reduce exposure, comparing the current environment to the dot-com bubble of 2000.Cramer Sees Short-Term Lift but Warns of Speculative ExcessIn a post on X, Cramer wrote, "Crypto due for a push today. We are in 2000 territory on specs." He likened current speculation to the early tech bubble, describing today's trading as "where the cockroaches are."Cramer referenced Jamie Dimon, CEO of JPMorgan ...