Concern about the impact of the yen, and signs of a slowdown in US consumer spending hit shares in exporters, led by Sony, and semiconductor-making equipment group Advantest. Japan's big banks continued to suffer from scepticism over their bullish profits forecasts this year after their plunge into the red in 2001. A slow recovery in the economy would see bad debts mount, wiping out any improvement in their operating profits, warned analysts. UJF, which last week reported record losses for a major bank, lost more than 1% as investors voted it the bank least likely to achieve its predicted profits.