Bulk Editing Stock
I was using the 'Bulk Edit' feature on the products tab and thought of a very useful feature that you could probably include quite easily.
At the moment, you can bulk edit price, for example and increase the price by an amount or percentage. This is very useful, however, the 'Stock' options are not quite so useful.
If for example I get a new batch of products, I cannot increase my stock levels all at once as the only option is to set all to the same amount. It is very rarely the case that all my stock is either all gone, or is depleted by the same amount. However, if you included the feature 'Increase by amount or %' as you do with 'Price' option, this would be far better.
When I get new stock in, it always comes in boxes of 12, 24 or 30, so I could increase all the relevant stock items by 12, 24 or 30 in one go.
It seem obvious when you think about it and I'm sure many other people would appreciate the ability to do this.