From the updates, it says they have scaled back the search.

Aug. 4 UPDATE: At the conclusion of today’s search efforts, the Maine Warden Service issued a statement that no new evidence or information has been found as to missing Appalachian Trail hiker Geraldine Largay's location. Therefore, the search will be extensively scaled back.
http://www.sjvalley-times.com/view/f...homesecondleft

Here is a pretty interesting facebook page. It is Maine's W&F and they post updates on all the missing on the trail.
https://www.facebook.com/mainefishwi...51737226148609

From everything I've read, it seems she was a very experienced hiker. I would think that's true for anybody that hikes the AT. The AT can be dangerous.