The QE 20 Index fell 0.86% to 9,785.90 points. The country's biggest telecom operator Ooredoo dived 1.90% to QR142.20. Earlier in the day, Ooredoo said that Qtel International Finance Limited , its wholly owned subsidiary, pursuant to the terms and conditions of the notes and the final terms, will pay its Global Medium Term Note holders interest payments on 15 and 21 October 2013. Commercial Bank of Qatar, better known as CBQ, declined by 1.15% to QR68.50. Earlier in the day, Qatar's second lender said it will it disclose the results for the third quarter on Oct. 30.