9 June 2013 Last updated at 20:45 ET
Japanese markets have been volatile in recent days amid concerns over a sustainable recovery
Japan has revised up it growth numbers for the first three months of the year, adding to hopes of a recovery in the world's third-largest economy.
The economy grew 1% in the January to March quarter, from the previous three months, indicating an annualised growth of 4.1%, the cabinet office said.
That is up from the initial estimates of 0.9% quarter-on-quarter growth.
The data follows a series of aggressive policy moves aimed at spurring growth in Japan's economy.
The upward revision in the growth numbers helped lift investor morale, with the Nikkei 225 index jumping more than 3% in early trade.
Source: BBC News - Business http://www.bbc.co.uk/news/business-22837158#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
