Cryptocurrency markets are 'looking frothy' again: JPMorgan

Cryptocurrency markets are “looking frothy” again, JPMorgan said in a note. Altcoin trading represents around 33% of the cryptocurrency market currently, up from 22% in August, it added. “Share of altcoins looks rather elevated by historical standards and…it’s more likely to be a reflection of froth and retail investor ‘mania’ rather than a reflection of a structural uptrend,” it added.