Several volatile Internet names surged in late trading on option expiration day: ZNGA +10.7%. FB...

|By:, SA News Editor

Several volatile Internet names surged in late trading on option expiration day: ZNGA +10.7%. FB +5.9%. GRPN +6.7%. YELP +6.2%. Also helping Zynga is a positive note from Goldman's Heath Terry, who defends the company against Cowen's claim that Zynga's daily users are declining. Terry argues the user activity tracked by Cowen's source, AppData, doesn't fully correlate with Zynga's bookings, and the correlation is declining further as Zynga grows its mobile ops. (previous)