My site is UK hosted, has .co.uk and i also only target the UK market. Upuntill 2 weeks ago i was no 1 for 5 of my keywords at yahoo.co.uk. Then came some sort of update / algo change. I have since dropped down to around 30 for all these words, with the serp results looking around 3 months old. Yahoo.com as they announce hemselves have had a algo update which at the moment has only been switched on on their .com .dk .sg sites. On thes i rank back at no 1 for all my keywords. What the hell is going on in the UK. With google in such a mess you would think they would try and grab some of the 80% of all search traffic google has over here. Or have they just gave up....... Anyone else seeing these kind of results.
You're not the only one... many webbies are facing the same mess with .co.uk. Head on down to WMW forum and you'll see.