Before Japan's asset bubble catastrophically burst in the early 1990s, stockbroker Ryuta Otsuka remembers waving a 10,000-yen note to hail a taxi after evenings sipping champagne at high-end Tokyo nightclubs.
Some 35 years on, the Nikkei 225 on Thursday finally clawed its way back above its bubble-era record, but this time many ordinary investors are driven more by concerns about savings and pensions than coveting fine art and penthouses.
