51.   Derivatives are linked to the value of underlying stocks, bonds, currencies or other instruments and can be extremely difficult to price.

a. + stock >>共 735
japanese 8.79%
canadian 3.09%
financial 3.06%
mexican 2.95%
european 2.02%
philippine 1.85%
brazilian 1.71%
colombian 1.71%
chilean 1.69%
new 1.59%
underlying 0.28%
underlying + n. >>共 582
cause 5.29%
problem 5.29%
asset 3.30%
loan 2.31%
security 2.27%
strength 2.07%
stock 2.03%
issue 1.99%
reason 1.87%
trend 1.75%
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