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 network equipment provider Ixia (Nasdaq: XXIA) rose nearly 11% in early trading before closing up 7.7% on positive analyst comments.

So what: Ixia and a handful of peers rallied when Piper Jaffray issued a note saying JDS Uniphase (Nasdaq: JDSU) could report surprisingly good fiscal second quarter results, Bloomberg reported. The implication? Earlier flooding in Thailand hasn't had as much of an impact as first expected.

Now what: Other peer group winners included Aeroflex Holding (NYSE: ARX), up 9%, and Juniper Networks (Nasdaq: JNPR), up 5%. Ixia outperformed both, but it's also the cheapest of the three when you factor in expected growth. Does it matter? Which of these networking stocks would you buy, if any? Please weigh in using the comments box below.

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This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.