A decline in the stock market trading at the end of September, causing the main stock index EGX30 to decrease by 10.83 percent and close at 4,137 points, was due to the country's political tension, according to a formal Egyptian Financial Supervisory Authority report. The report said EGX70 dropped by about 22.18 percent at the end of last September, closing at 458 points. The larger index EGX100 went down by 18.66 percent, recording 708 points at closing. It pointed out that Arab and Egyptian transactions during the same period leaned more to the purchasing side, whereas foreign dealings were more focused on selling. Non-Arab net sales during September were worth U.S. $12.8 million, while Arab investors made U.S. $14 million, excluding deals. The report showed Egyptian investors represent 71.65 percent of total stock exchange shares' transactions, while non-Arab foreign transactions held 22.12 percent and Arab transactions a mere 6.23 percent. The authority noted in its report the decline in market capital of shares listed on the market within the cabin by 11%, registering about 319 billion EGP at the end of the September 29 trading session. The percentage of market capital to GDP by the end of September was up 26.5 percent. The report said the total value of trading on the listed securities during September, amounted to about 10.1 billion EGP. That figure gives a daily average of 505 million EGP, with a circulation of 1.52 million EGP executed over 424,000 transactions. This compares to last month's total trading value of 12.5 billion EGP amounting to a circulation of 1.549 million EGP executed over 435,000 transactions.