It takes longer for the business owner to acquire funds to grow their business, and then to put those funds to use to derive calculable results presented in economic activity reports, as compared to the much quicker effects we see in the stock market when investors simply actuate their positive sentiment into stock purchases.
The N900 may have a "good" resistive touchscreen, but it's still a resistive touchscreen, which means it's not going to be as finger-friendly as it could be -- we were repeatedly disappointed by how much pressure was required to actuate scrolling gestures in menus, for example.