When that happens on the pinksheets, usually it means there's only a sliver of truth to what they're saying and don't want the real company to know someone's lying about them. If I ran a pinksheet, I could PR the company is in merger talks with a company that doesn't want to be identified by simply calling IBM and asking them if they'd like to merge (click, dial tone) pr.
Insanity is doing the same thing over and over again and expecting different results