Key indices gained marginally on Tuesday at Kenya's Nairobi Securities Exchange (NSE), reversing a negative trend witnessed in the last three sessions.

The NSE 20 Share Index went up 4.30 points to stand at 3,784.91 while the NSE 25 Share Index added 28.92 points to stand at 4,310.72 as prices of stocks across the board rose.

At least seven stocks, including Safaricom in the large 20 companies at the bourse, went up. The leading telecom rose 4 percent to trade at 0.25 U.S. dollars, up from 0.24 dollars in the previous session.

Safaricom in total moved 12.4 million shares as it retained the top trade stock position at the securities market.

It was followed by Kenya Commercial Bank, which traded a paltry 2.2 million shares at an improved price of 0.42 dollars.

KenolKobil and KenGen in the energy sector were the third and fourth top traded stocks after moving 1.3 million and 1.2 million shares respectively.

Kenya Airways closed the list of the top traded stocks after moving 798,300 shares at an unchanged price of 0.04 dollars.

Turnover rose to 5.8 million dollars from 2 million dollars as the number of shares traded stood at 22 million shares against 8 million posted on Monday.

At the bond market, securities worth 9.7 million dollars were transacted, up from 8 million dollars in the previous session.