We're growing more skeptical of the turnaround in Yahoo's core business, especially with Facebook's and Twitter's growing share of the ad pie. Interest in Yahoo's core assets has risen as of late.

That's despite the fact that as much as 70 percent of the value investors put on Yahoo's depressed shares are tied up in its international assets or cash holdings -- factors that have nothing to do ...

At the turn of the millennium, Yahoo! was the most visited site on the web and was valued at $125 billion. It consisted of a search engine, an email service, a messaging app, and a web hosting service ...