Hotly anticipated bitcoin futures surge 21 percent on debut
The one-month bitcoin contract opened trade at 6 pm (2300 GMT) at $15,460, dipped briefly and then rose to a high of $18,700.
A Bitcoin (virtual currency) coin is seen in an illustration picture(photo credit: BENOIT TESSIER/REUTERS)BySAQIB IQBAL AHMED, SWATI PANDEY/REUTERS