21.   By intervention, traders mean an effort by one or more central banks to buy or sell a currency in order to affect its value.

22.   By intervention, traders mean actions by one or more central banks to buy or sell a currency in order to affect its value.

23.   Central banks use reserves to support their currencies in the market by selling foreign currency in exchange for domestic currency.

24.   Corporations can, of course, hedge their exposure by purchasing options to buy or sell a currency at a given price at a set date.

25.   Currently, foreign banks are allowed to act as brokers for foreign companies wanting to buy or sell currency on the swap market.

26.   ERM rules required countries to keep their currencies within their fluctuation bands by buying or selling their currencies if necessary.

27.   European money managers may also have had trouble selling other currencies and buying dollars within seconds so as to avoid losses.

28.   Falling interest rates tend to weigh on the dollar because investors sell the currency as they exit the market in favor of higher yields elsewhere.

29.   Expectations of a stronger dollar could prompt more investors to sell Southeast Asian currencies.

30.   Fears of such devaluations would prompt local investors and local companies to sell their currencies to avoid losses.