Knight Capital's $390 million loss this most recent quarter is pretty bad news and stems from an accounting charge related to a bailout package, as well as s pre-tax $461 million hit when the company's trading system melted down in August.

While this loss certainly is painful for shareholders, in the long term the company looks as if it may be all right.

Of course, market-making has been under pressure recently, so all investors need to take a step back and re-evaluate their positions a bit.

See more in the following video.

Anand Chokkavelu has no positions in the stocks mentioned above. Fool contributor Matt Koppenheffer owns shares of The Blackstone Group. The Motley Fool has no positions in the stocks mentioned above. Motley Fool newsletter services recommend TD AMERITRADE and Jefferies Group. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.