It's not a pump (or at least it was very badly timed), since it arrived in the last part of the day with no effect on the price. More than 5mln shares were already traded!
The idea of a rumour that needs a process of verification or supervision just collides with concept of rumour itself.
That being said I consider it just a rumour and everybody should not give excessive enphasis.
What's in that rumour is too good to be true. If you read it carefully it sounds like a transformative move, also alluding to a sale of the generics. Just too good
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