Benzinga's Top Pre-Market Gainers

Polycom Inc (NASDAQ: PLCM) surged 10.64% to $20.38 in the pre-market session. PLCM reported a 50% rise in its Q4 profit.

Western Digital Corp (NYSE: WDC) added 5.19% to $36.51 in the pre-market session. Western Digital reported its FQ2 profit at $145 million, or $0.61 per share, on revenue of $2 billion. However, analysts were expecting earnings of $0.65 per share on revenue of $1.83 billion.

Quest Diagnostics Inc (NYSE: DGX) moved up 4.28% to $58.92 in the pre-market session. Quest Diagnostics reported a rise in its fourth-quarter profit.

Coach Inc (NYSE: COH) soared 2.74% to $66.00 in the pre-market trading. COH reported upbeat quarterly earnings.

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