Derivative prices leapt on new york 's trading floors .
衍生物的价格在纽约交易大厅跳升。
The total wealth of the world 's millionaires leapt 18.9 % to $ 39 trillion .
全世界百万富翁拥有的总财富骤增了18.9%，达到39万亿美元。
Since 2001 , while the number of papers published in research journals has risen 44 % , the number retracted has leapt more than 15-fold , data compiled for the wall street journal by thomson reuters reveal .
