for details we go to our business reporter aiko nanao. >> this came as share movements in shanghai suggested the chinese government was trying to stabilize stock prices. here in tokyo it was all about bargain hunting. the nikkei had the biggest one-day gain since january 1994. it rose 7.7% closing at 18,770. the index reached its highest level in seven sessions. the topix surged 6.4%. big ganames were winners today. softbank group grew 5.5%. fast retailing 10%. eager to buy these blue chips as they looked to cover short-term losses. it was the same story with financial stocks. mitsubishi up 7%. and nomura holdings also rose. now, the question is how sustainable is this buying spree? one fund manager told me if you look at the sectors that did well today, it shows that investors are still defensive. kddi pharmaceuticals was up. it seems likely that most investors will hold off placing new orders. they'll be waiting for the u.s. fed policy meeting that takes place next week. easing the markets for now, but to get a clearer sense of direction, we have to wait until next week. aika nanao. >> tha