Blue-chip stocks that have gone on massive runs can make for difficult investment calls, and that's exactly where investors examining Cisco Systems (NASDAQ:CSCO) find themselves today. After struggling amid a slugging corporate IT spending drought, Cisco proved doubters wrong with its impressive quarterly earnings and outlook last month. But can it still be a winner for long-term investors now that it's significantly higher than several months back? Find out the answers in the following video.
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