LONDON (AP) — With $600 stuffed in one pocket and a smartphone tucked in the other, Patricio Fink recently struck the kind of deal that's feeding the rise of a new kind of money — a virtual currency whose oscillations have pulled geeks and speculators alike through stomach-churning highs and lows.

By Estelle Shirbon LONDON (Reuters) – A British computer hacker pleaded guilty on Tuesday to cyber attacks on targets including Sony, Nintendo , Rupert Murdoch's News International and the Arizona State Police. Ryan Ackroyd's plea meant his planned jury trial did not go ahead and, as a result, the court did not hear any evidence on the motivation behind the attacks he made using the persona of a …