An investor watching share prices in Hong Kong in 1998, during the period of the Asian financial crisis. People must factor in the possibility of such crises happening because the time span for their home mortgage can stretch 20 to 30 years, when man
Caption: 
An investor watching share prices in Hong Kong in 1998, during the period of the Asian financial crisis. People must factor in the possibility of such crises happening because the time span for their home mortgage can stretch 20 to 30 years, when many things can happen.
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PHOTO: REUTERS