Riyadh's Tasi composite ended 0.67% lower at 6,174.74 points. While a number of banks bucked the downtrend, such as Samba (up 1.32% at SR57.50), investors booked profits at petrochemical leader Sabic (down SR2 at SR88.00) or Yanbu National Petrochemical Company (7.36% lower at SR39.00). Al-Ahlia Insurance Company topped the charts and finished 4.82% higher at SR59.75. But just twenty shares added value, despite bullish inputs from overseas, and 106 lost value while 16 ended flat.