Moscow - Russia's stock two leading stock exchanges jumped Friday minutes after reopening following a two-day suspension of trading to stop the nation's worst financial crisis sice the 1998 default.

The dollar-denominated RTS climbed 11 per cent in the start of trading while the ruble-denominated ruble-denominated MICEX soared 14.4 per cent causing market authorities to again suspend trading for an hour from 11:05 Moscow time (0705 GMT).

The rise came after the Kremlin pledged 1.13 trillion rubles (44.37 billion dollars) to bolster the market including an extra 60 million rubles (2.36 billion dollars) to Russia's three largest banks, starved for funds.

Trading was closed on both exchanges from Wednesday when the indexes fell over 25 per cent in the first three week days.

Russia's RTS, a world's leading performer the last few years, dropped 57 per cent since soaring to record heights in May.

The MICEX exchange is now at its lowest level in nearly three years in the wake of sliding oil prices, turmoil on Wall Street and capital flight amid politcal uncertainties after Russia's war with Georgia last month. (dpa)