11.   Investment overseas helps weaken the yen because Japanese need to sell yen for other currencies to buy those securities.

12.   It could also try to push down long-term interest rates by buying long-term bonds, and try to stimulate exports by weakening the yen.

13.   Japanese need to sell yen for dollars and other currencies to buy foreign securities, weakening the yen.

14.   Japan today reported a big monthly decline in its world trade surplus and major central bank bought dollars, weakening the yen.

15.   Japanese monetary authorities are attempting to weaken the yen because a strong currency hurts the Japanese economy by making exports more expensive in overseas markets.

16.   Japanese need to sell yen for other currencies to buy foreign securities, weakening the yen.

17.   Japanese officials hope to weaken the yen by encouraging Japanese investors to purchase overseas assets, which will require them to sell yen for other currencies.

18.   Low Japanese rates weaken the yen by making yen-denominated deposits less attractive.

19.   Low rates in Japan help weaken the yen by making yen-denominated deposits less attractive.

20.   Low rates weaken the yen by making Japanese deposits and bonds less attractive.