It is all consistent with a pattern of evidence that has been developing over the last 10 years or so.
In the last couple of weeks, two of the stronger sectors in terms of flows have been energy and materials, and so the whole commodity story is one that's been on investors' minds.
The Dax is an index of 30 stocks and in periods of high volatility smaller indices become much harder to diversify. Also the Dax is heavily biased towards sectors like technology and insurance and those are the sectors that have been most heavily hit over the last nine months.