11.  Any change in Argentine economic policy could affect neighboring Brazil, whose government also has based an anti-inflation plan on a strong currency.

12.  Any change in Argentine economic policy could affect neighboring Brazil, whose government also based an anti-inflation plan on a strong currency.

13.  As duties were phased out, cheaper imports from the U.S. flooded the Canadian market and exports were choked by a then strong currency.

14.  At the same time, the strong currency made Brazilian exports more expensive, exporters complain.

15.  Banks also gained amid optimism the strong currency would help keep inflation -- and therefore interest rates -- low.

16.  A strong U.S. currency hurts American exporters by making their products more expensive in Japan.

17.  A strong U.S. currency makes goods cheaper in the U.S. and increases their dollar-denominated sales.

18.  A strong currency helps curb inflation in that country by making imports less expensive.

19.  A strong currency helps stock maintain value for global investors.