Tokyo - Japan's benchmark Nikkei 225 Stock Average rose 4 per cent Thursday on March industrial output data and optimism over a possible US economic recovery.
The Nikkei index surged 339.87 points, or 4 per cent, to close morning trading at 8,833.64, and the broader Topix index of all first-section issues also rose 29.05 points, or 3.6 per cent, to 841.04.
Investors returned from a national holiday Thursday to buy a wide range of issues after the nation's industrial production data for March came out stronger than expected.