I think that current growth paces are unsustainable. My reasoning is that a few of the giant tech companies which hold a large portion of our invested assets don't really have a defined purpose. The market hates uncertanity. We are also seeing a near record amount of money being left out of the market by fund managers. In fact, it is almost on par with pre-9/11 levels. Another strong indicator is that GDI(Gross Domestic Income) is going down(2.5/1.5/0.8/-0.2.) The data is from the start of the third quarter of 2015.