The turbulent financial markets that have seen the Dow Jones Industrial Average drop over 2% in August appear to have caught up with innovative mid-cap public companies engaged in exciting cancer research such as immuno-oncology. Up until now they have enjoyed strong investor support, but for the first time this year investors appear to be moving out of this sector and, as a result, share values have dipped dramatically. As a result, the BioWorld Cancer Index is trading down 11% in August.