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 DG FastChannel (Nasdaq: DGIT) jumped 16% today after the company released third-quarter earnings.

So what: Revenue was up 18% to $56.9 million and earnings were $9.9 million, or $0.34 per diluted share. Both results beat Wall Street estimates by a wide margin, continuing positive earnings surprises of the past three quarters.

Now what: High-definition revenues grew by 59% as marketers and advertisers increased demand for HD products. DG FastChannel is also working on direct response technology, which the company has high hopes for. The positive momentum and earnings surprise leaves this Fool seeing great earnings momentum going forward and I'm hopping aboard the high-def DG FastChannel bandwagon.

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