With earnings season comes volatility, and a few companies in the technology sector showed just that today, as investors reacted to preannouncements from each. Chip maker AMD and data-storage player Quantum both saw big declines in shares after announcing they would miss financial targets, while VOIP telephony company MagicJack Vocaltec's shares surged on better-than-expected results for the quarter. In the following video, Brenton details these news announcements.

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Brenton Flynn has no positions in the stocks mentioned above. The Motley Fool owns shares of Intel. Motley Fool newsletter services recommend Intel and NVIDIA. 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.