I know it makes me sound like an old duffer but I am sure fashions come and go quicker these days.
The latest must have investment accessory is the Inverted Index Fund. These return the opposite of the index and allow investors a way of shorting. There are not many ways for private investors to take advantage of a belief than an index (or other investment) will go down in value, other than not investing in it, so some will welcome there arrival. A number of fund groups are scheduling launches, almost certainly in equities and commodities so watch this space.
Whether there is a place for these in the portfolio of a long term investor, I am not so sure, but they are certainly of interest. Technically, many things are becoming possible and I am sure we have only just seen the start of much innovation but as investors we shall need to be careful not to be sucked into the hype.
If, however, you have been waiting for a simple tool to allow you to make money (we hope) from shorting, it may be that your waiting days will end soon.