Traders and speculative bettors earned huge profits on prediction markets because of the capture of Venezuela President Nicolás Maduro.Why it matters: Though the capture of Maduro seemed to come out of the blue for many Americans, some were ahead of the curve, netting them thousands of dollars.These bets — many of which were on Maduro's capture, and are now on what happens next to the ousted leader — will renew longstanding questions about inside information and access to prediction markets.Driv...