Cryptocurrencies suffer $18 billion drop in value over three days By: CNBC.com News October 12, 2018 at 15:48 PM EDT The entire market capitalization for cryptocurrencies fell by $18 billion over the course of three days, according to CoinMarketCap.com. Read More >> Related Stocks: Banco DE Chile ADR Eaton Vance Enhanced Equity Income Fund II Grayscale Ethereum Mini Trust