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: In intraday trading today, shares of e-commerce enabler GSI Commerce (Nasdaq: GSIC) fell as low as 11% below yesterday's close.

So what: GSI Commerce's third-quarter sales were $284 million and the company reported a net loss of $0.28 per share. Both figures were weaker than the average analyst forecast, though they beat management's own guidance for the quarter.

Now what: GSI Commerce is challenging mighty (Nasdaq: AMZN) with a loyalty program much like Amazon Prime just in time for the holidays, which shows a healthy helping of chutzpah. E-commerce services is a tough industry in which to make a living, but GSI Commerce is fighting the good fight. This shortfall was at least partly the result of analysts raising their targets recently, seemingly jumping to the wrong conclusions.

Interested in more info on GSI Commerce? Add it to your watchlist by clicking here.

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