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 specialty consulting firm Navigant Consulting (NYSE: NCI) dropped as much as 12% in intraday trading Wednesday after its preliminary quarterly results and full-year outlook disappointed investors. 

So what: Hurt by a 26% drop in international consulting revenue, Navigant said it expects its fourth-quarter earnings to come in at only $0.01 per share, versus the average analyst estimate of $0.16 per share. Unfortunately, management doesn't expect those headwinds to let up anytime soon, as Navigant's full-year profit guidance also came in well below Wall Street expectations.

Now what: Mr. Market might be providing Fools with a decent value opportunity. Shares of Navigant are now down more than 30% over the past year and, even with today's weak outlook, trade at a cheapish forward P/E of about 12. That represents a discount to rival consultants FTI (NYSE: FCN) and Huron (Nasdaq: HURN), so Navigant seems like a relatively good bet, as well.

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