Verifone shares are up 30c to $16.61 and hitting a 52-week high. Option volume is 19x the daily average being driven buying in the January $20 calls which have traded 11,700 contracts in two large blocks at the 10c ask. Prior open interest was 12,000 contracts and looks like someone closing a short position that was opened 9/10 when the calls were trading around 40c each.