By the close of trade on Wednesday, the Nikkei stock index was down by 0.23%.
The continued weakness in the Japanese yen pushed the Nikkei stock index to a four-plus-year high Wednesday.
Others are confident that the Nikkei stock index will rebound soon, from its current shocked and moribund situation.
Japan's benchmark Nikkei stock index fell to 19 year lows in early September.
The yen weakened 3.5 percent against the dollar, to 96.16 yen, while Tokyo's Nikkei stock index rose 2.2 percent to 12, 634.54.
The benchmark Nikkei stock index ended the morning up 3.63% at 10, 573.
The figures will add on fears Japanese firms are curtailing spending amid a US economic slowdown, and the data sent the Nikkei stock index down 1.44%.
The moves have led to a rally in the Nikkei stock index and a slide in the yen that has made corporate Japan more competitive overseas.
Before the open, major stock futures in the U.S. were halted after panic selling gripped investors in the wake of Japan's Nikkei stock index falling a dramatic 9.6%.
Even a strong yen, up 16% against the dollar over the past year, could not counter the effects of the Nikkei stock index decline of 40% over the past year.
Meanwhile, the Nikkei stock index started Monday down over 500 points as the country tries to grasp with the worst natural disaster in a generation, Kyodo News agency reported at the opening bell.
FORBES: China Stocks Resilient Early Monday While Nikkei Below 10k
On Monday, exporters helped push the main Nikkei 225 stock index 3.1% higher, before the gains were pared back in later trading.
The Nikkei 225 stock index was up over 3% in early trading before giving back some of the gains to finish 1.7% higher.
The yen gained against the US dollar on the news from the Cabinet Office, while Tokyo's main Nikkei 225 stock index opened 1.6% higher.
Nick Leeson told everyone he was doing pure arbitrage: in his case between futures contracts on the Nikkei (the Japanese stock market index) and the Nikkei itself.
In the last two months, the yen has dropped 13% against the US dollar, while Tokyo's main stock index the Nikkei 225 has risen.
Shares in Asia also closed down sharply, with Japan's main Nikkei index suffering its biggest one-day drop since the 1987 stock market crash and Hong Kong's Hang Seng slumping to a three-year low.
Japan's Nikkei Stock Average jumped 2% to 9768.96, Hong Kong's Hang Seng Index rose 1.3% to 20900.73 and China's Shanghai Composite Index climbed 1.1% to 2420.28, all three rising for the first time this week.
Japan's Nikkei Stock Average gained 0.7% to 10123.28, while Hong Kong's Hang Seng Index added 0.2% to 21353.53 in choppy trading.
Japan's Nikkei 225 index lost 2.2 percent to 13, 475.64, echoing U.S. stock markets losses Friday.
Japan's Nikkei Stock Average fell 0.5% for a third-straight day, and Hong Kong's Hang Seng Index shed 1%.
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