[pellucide]

Its highly unlikely that an algorithm, however sophisticated can project the outcome of such an announcement in such a short time.

But discussions like this on a news/analysis piece by a fairly technical new source combined with above average human intelligence will project a more likely outcome.

The stock may go up on this news like you mentioned. But it more often than not settles down. But if OPs time horizon is medium term(a few quarters) or more, then its worth investing on such news.