Trading at the Nairobi Securities Exchange was relatively stable Thursday as key indices rose but turnover declined slightly as political uncertainty over Oct. 17 presidential polls in Kenya continued.

The benchmark NSE 20 Share Index gained 18.30 points to stand at 3,805.22 as it sustained a positive trend while the NSE 25 Share Index added 39.07 points to stand at 4,300.95.

Market turnover stood at 12 million U.S. dollars on a volume of 36.2 million shares from 57 million worth 16 million dollars in previous session.

Equity, Safaricom, KenolKobil, Diamond Trust Bank and Cooperative Bank accounted for 57 percent of today's total turnover.

However, the most traded counters were Kenolkobil, Safaricom, Cooperative Bank, Equity Bank, and Kenya Commercial Bank moving 7 million, 6.7 million, 5.9 million, 5.3 million and 2 million shares respectively.

Foreign investor participation stood at 50.2 percent compared to Wednesday's 66 percent, accounting for 25.7 percent of total buying and 74.7 percent of total selling.

StanChart Bank recorded the highest net foreign inflows, after going up 0.4 percent to close at 2.3 dollars while the ARM Cement was unchanged in the session to close at 0.15 dollars.

Bond turnover went down by 12 percent to stand at 13 million dollars, down from 15 million dollars.