Investors looking for a haven from the global economic storm are flocking to the yen, but that's raising fears of a long-term slowdown in Japan, the world's second-largest economy.
The dollar fell below 100 yen Wednesday for the first time since April during trading in Tokyo. Later, the dollar was at 100.11 yen.
The yen is attractive compared with other major currencies because Japan, with its relatively stable banking system, is widely seen as a refuge during periods of global economic upheaval
