The NZ Sharemarket is falling slightly as it stands at 11:00 today with the NZX50 down -0.49% percent (-58 points) from its opening to its current level of 11,670. The most actively traded stock on the bourse, with over 266 thousand shares changing hands is Spark (was Telecom), down 3% from its opening to $4.24. The next biggest trader is Fonterra Co-operative Group Limited ($2.63) with over 129 thousand shares being traded so far. The star of the day is currently Fonterra Co-operative Group Limited, (up 4%) while the biggest loser so far is Mercury NZ Ltd (ex MRP) (down -3%).