Benzinga's Top #PreMarket Losers

Gigamon

dipped 23.28% to $20.10 in the pre-market session after the company lowered its revenue outlook for the latest quarter. Gigamon projected revenue of $31 million to $31.5 million, versus its earlier forecast of $34 million to $35 million. Nordic American Tankers

fell 10.25% to $8.49 in pre-market trading after the company upsized offering by 2 million shares and prices 12 million shares at $8.62 per share. LivePerson

dipped 6.82% to $10.39 in pre-market trading after Benchmark downgraded the stock from Buy to Hold. Gilead Sciences

shares dropped 2.19% to $70.65 in pre-market trading after the company reported that the FDA has granted priority review to its NDA for ledipasvir and sofosbuvir fixed-dose combo tablet.