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#3 Tellabs
Ticker: TLAB
YTD performance: -40%
Market cap: $1.5 billion

Weak fourth-quarter results and a bleak earnings outlook sparked a one-day 20% plunge in shares of Tellabs (TLAB) earlier this year.

The network equipment maker's stock price continued to decline, and a first-quarter earnings miss in April didn't help.

The company's CEO, Rob Pullen, said Tellabs is positioning itself for long-term success by investing heavily in research and development to advance mobile Internet and, in turn, is willing to sacrifice profits in the short-term.

Analysts remain cautious, with a majority recommending a 'hold' rating on the stock.




All data current as of June 17, 2011.
Last updated June 29 2011: 8:51 PM ET
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