Thanks for that Seth - I have to say that haivng tried the ticker thing I couldn't see any difference so assumed there was some kind of selection process in play plus delays thorugh search propogation or some such other stuff.

Damn. Just when I thought it was easy to have a swipe at Barclays Bank PLC!

There is a proposal to add a ticker tag to the RSS spec.

This could be useful because it would allow a blogger to specify that they want their post to be connected to a specific company in a financial or business context.

We might also need some kind of ranking system for these posts to weed out as much spam as possible.

I've raise some of these issues and questions in my post on

Responsible use of this feature is vital to the credibility of the blogosphere.

Here is the link that I screwed up in the above comment about Google Finance already being spammed because Google's blog search isn't smart like Technorati's.
http://irwebreport.blogsome.com/2006/03/24/google-finance-spam-problem-undermines-credibility/