EVERY publicly traded company is up for sale for the right offer. Each and every single one of them.
In the business world of M&A (mergers and acquisitions) there is significance to the distinction of saying your company is "for sale" or "not for sale".
Companies put themselves "up for sale" in the business world in similar vein to you or I would putting our house up for sale.
When you and I are happy with our house, like our neighborhood and have no reason to move we aren't likely to contact a realtor and put our house on the market, at any price. But if someone knocks on our door one day and says "I'll buy your house for $1000/sqft" then we are probably going to entertain the idea.
Same with businesses.
Businesses really do shop themselves around as takeover targets. Just as their are real-estate agents that we hire to help get our house sold there are also M&A broker dealers out there whose entire career revolves around getting your business old.
I'll give you a real-world example. Semitool (and equipment manufacturer for semiconductor fabs) had themselves "up for sale" for about 2 yrs before being bought by AMAT (applied materials, another equipment manufacturer).
So when a CEO of a company such as Dirk Meyers of AMD goes on record to say "we are not for sale" that has a specific connotation in the business world. It means they truly do not have a for sale sign up, but of course if someone shows up at there door with a ridiculous "make me move" price in mind then Dirk would be neglecting his fiducial responsibilities by not accepting the silly-good deal for his shareholders.
(kind of like AMD showing up on ATI's door and offering $5B+ for their shareholders...
😛)
The bottom line though is that Dirk's statement is hollow and misdirecting, and that itself is telling. Dirk knows that the value-add statement would have been something along the lines of saying "we are not in negotiations or discussions of any sort with any business entity regarding our being acquired by them". That would have answered the question on everyone's mind. The fact that he opted to not deliver such a clear message says a lot, to me anyway.