Bitcoin just hit an all-time high -- here's how you buy and sell it

Reuters Bitcoin hit a record high of $3,402 on Monday. The cryptocurrency's value is surging a week after bitcoin split into two. While bitcoin has hit new heights, bitcoin cash, or bitcash, has been tumbling. "All that money that seemingly came out of thin air to pump up the value of Bitcash is now being fed right into Bitcoin," Mati Greenspan, an analyst at trading platform eToro, told Business Insider's Oscar Williams-Grut. "Bitcash has fallen from its peak of $12 billion all the way down bel...