Bitcoin cash is surging as other cryptocurrencies fall

Bitcoin cash, a cryptocurrency which split in a "hard fork" from the flagship bitcoin in August 2017, surged more than 13% on Wednesday while other cryptocurrencies were in the red. 
The spike came as Overstock.com, one of the first retailers to accept cryptocurrency payments, mixed up bitcoin cash with bitcoin — mistakenly allowing users to profit by placing orders and subsequently cancelling them, CoinDesk reported. 
Bitcoin cash is currently the fourth-largest cryptocurrency b