Dubai: The Dubai index ended with its biggest-one day gain ever, jumping 10.53 per cent, as a government vow to guarantee deposits and interbank lending, coupled with rising overseas markets, enticed traders back into the market.

The main index soared to 10.53 per cent to end at 3,343.56, supported by banks and real estate stocks.

Emaar Properties rose 15.01 per cent while Ajman Bank and Dubai Islamic Bank both gained more than 14 per cent.

In Abu Dhabi, the index closes up by 6.92 per cent, buoyed by Abu Dhabi Commercial Bank and Abu Dhabi Islamic Bank, both up more than 9 per cent.