Although we don't believe in timing the market or panicking over market movements, we do like to keep an eye on big changes -- just in case they're material to our investing thesis.

What: Shares of Acme Packet (NASDAQ:APKT) soared 22% today after enterprise software gorilla Oracle (NYSE:ORCL) agreed to acquire the network gear company for about $2.1 billion.

So what: The all-cash deal values Acme at $29.25 per share and represents a 22% premium to its closing price on Friday. Oracle is making the move to boost its communications offering, triggering speculation that other IP networking companies like BroadSoft (NASDAQ:BSFT) and Sonus Networks (NASDAQ:SONS) -- up 10% and 15%, respectively, today -- could also be ripe for a takeover.

Now what: The transaction is expected to close in the first half of 2013, subject to Acme shareholder and regulatory approval. "The communications industry is undergoing a dramatic shift as users become more connected and dependent on mobile applications and devices," said Oracle senior VP and general manager Bhaskar Gorti. "This combination will enable secure and reliable delivery of real-time interactive communications through the most comprehensive, best-in-class communications portfolio in the industry." So while Acme Packet's upside is likely limited at this point, Oracle's newly bolstered communications solution should help in delivering solid returns over the long term.

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Fool contributor Brian Pacampara has no position in any stocks mentioned. The Motley Fool recommends Acme Packet. The Motley Fool owns shares of Oracle. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.