EZchip Semiconductor’s stock, EZCH, dropped -20.72% today, making it the biggest loser across the NYSE and Nasdaq. EZchip, a leader in Ethernet network processors announced its Q4 and full year 2012 earnings that beat Wall Street estimates. However, investors were disappointed with the firm's revenue guidance.

EZchip Semiconductor (EZCH) Stock Chart
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EZCH reported 2012 full year revenue of $54.7 million and Q4 revenue of $15.2 million. Net income was $15.7 million (2012) and $4.8 million (Q4).