The Yahoo! Search Blog says Yes.
We just rolled out a new search index last night. So, as usual, you may see some changes in ranking as well as some shuffling of the pages that are included in the index throughout this process. This update should be complete very soon.
Keep your panic to a minimum until the smoke clears. And if you’re not happy with the way your site showed up in the results? Follow the link to the post and give your feedback.
