Updated at 2:20 p.m. PDT, with details about an opinion piece by Yahoo board member Gary Wilson in The Wall Street Journal.

After taking a one-two punch from investor activist Carl Icahn and Microsoft on Monday, Yahoo CEO Jerry Yang threw a few punches of his own in ...

Yahoo's third largest investor offered up some advice Tuesday to dissident shareholder Carl Icahn on what it may take to swing investor votes his way in a proxy fight, according to a Reuters report.

Legg Mason portfolio manager Bill Miller had this observation to offer to Reuters, when queried ...

Investor activist Carl Icahn needed a sign, a tangible sign, that Microsoft was still interested in buying Yahoo, or at a minimum, its search business, if he were to increase his chances of winning his proxy fight to unseat the company's entire board of directors.

On Monday, in a

Ever since Microsoft first stated its intention to purchase Yahoo in February, and Yahoo said no, it's been a roller coaster as the deal goes through its on-again, off-again phases. On Monday's edition of ...

Wall Street is largely keeping a cautious eye on Yahoo, despite Microsoft's announcement on Monday that it is interested in negotiating a possible buyout of Yahoo's search assets, or potentially making a renewed bid for the entire company.

Analysts, overall, still have a "hold" recommendation on the stock, ...

Yahoo was hit with a one-two punch Monday--first a right jab from Carl Icahn, which is calling for the removal of Yahoo's entire board, and then a left hook from Microsoft, which confirmed its support for Icahn's proxy fight and said it's interested in negotiating a deal ...

Investor activist Carl Icahn on Monday announced that Microsoft is supporting his proxy battle efforts to unseat Yahoo's board, with the software giant indicating that it is willing to negotiate a potential deal to acquire the company or its search assets with a new board.

Although Icahn and Microsoft ...

Microsoft on Monday released a letter in support of activist investor Carl Icahn's efforts to unseat Yahoo's board, as well as confirming its interest to explore a bid to buy the entire company--or just its search assets, with a new board.

Here is Microsoft's letter:

In the

Update at 3:49 p.m. PDT, with closing stock price and timing of when Icahn expects to file his definitive proxy.

Investor activist Carl Icahn and Microsoft on Monday asked Yahoo investors to oust Yahoo's board and in its place elect Icahn's dissident slate, potentially paving the ...

A fresh look at Yahoo's search results Thursday by Hitwise Intelligence raises the question of whether Yahoo could survive just fine without its search engine.

Such a question is rather important to Yahoo investors, given the Internet search pioneer has given a cold shoulder to Microsoft, which has previously ...