In Europe , France 's CAC-40 fell 0.8 percent , Britain 's FTSE 100 lost 0.9 percent and Germany 's DAX index gave back 1 percent .
In afternoon trading in Europe , France 's CAC-40 fell 1.6 percent , Britain 's FTSE 100 dropped 1.2 percent and Germany 's DAX index lost 1.9 percent .
number of subjects in experiment (larger number increases reliability)