Qatar Exchange index dropped 151.47 points, (1.80%), this week, closing at 8,242.45 points when trading adjourned for the weekend Thursday. The trading value was QR 1,118,879,860.78 compared to QR 993,766,638.26. last week, increased by12.59%. The trading volume was 24,948,735 shares, as against 24,737,684 shares, increased by 0.85%. The number of transactions was 17,987 as against 16,988 last week increased by 5.88 %. The Market capitalization fell by 1.42% to reach QR 433,972,845,641.85 as compared to QR 440,207,381,220.10 at the end of previous week. Of the 42 listed companies 5 ended this week higher, while 33 dropped and 4 company unchanged. The QNB led trading value during this week , accounting for 21.83% of the total trading value, followed by Industries Qatar ,which accounted for 15.01%. The Masraf Al Rayan ranked third, accounting for 14.67%. The Banking and financial sector led trading value during this week , accounting for 59.37% of the total traded value. The service sector, which accounted for 22.45%. The Industrial sector ranked third, accounting for 16.81%, and finally followed by Insurance sector, which accounted for 1.38%. The banking and financial sector led trading volume during this week , accounting for 49.8% of the total trading volume, followed by services sector, which accounted for 40.34%. The Industrial sector ranked third, accounting for 8.89%, and finally followed by Insurance sector, which accounted for 0.96%. The banking and financial sector led trading number of transactions during this week , accounting for 46.81% of the total number of transactions, followed by services sector, which accounted for 38.32%. The Industrial sector ranked third, accounting for 13.08%, and finally followed by Insurance sector, which accounted for 1.78%