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 TIBCO Software (Nasdaq: TIBX) sank 13% on Wednesday after business software bellwether Oracle (Nasdaq: ORCL) posted lackluster quarterly results.

So what: Investors are obviously taking Oracle's earnings miss as a clear sign that TIBCO's own soon-to-be released third-quarter results -- after market close -- will be just as disappointing. In fact, the entire space is getting hit on the whiff, with enterprise software stocks like IBM (NYSE: IBM), SAP (NYSE: SAP), and (NYSE: CRM) all down more than 4% today.

Now what: I'd look into this pullback as a possible buying opportunity. While it seems likely that TIBCO's quarterly guidance will fall short of expectations, you've got to think that the stock's now 25% plunge in December has done a good job in discounting much of the risk. When you add TIBCO's decent margins and rock-solid balance sheet, the downside doesn't look too scary.

Interested in more info on TIBCO? Add it to your watchlist.

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.