Overall market activity resulted from trading in 14 securities of which three advanced, two declined and nine traded firm.Trading activity on the First Tier Market registered a volume of 147,174 shares crossing the floor of the Exchange valued at $3,254,858.65. Trinidad Cement Ltd was the volume leader with 54,297 shares changing hands for a value of $105,879.75.National Enterprises Ltd suffered the day's greatest loss, falling $0.51 to close at $18.25.