Benzinga's Top Pre-Market Losers

Autodesk Inc (NASDAQ: ADSK) shares fell 5.24% to $32.91 in the pre-market trading. ADSK issued downbeat Q2 revenue forecast.

Arena Pharmaceuticals Inc (NASDAQ: ARNA) dipped 0.88% to $5.65 in the pre-market session. ARNA's trailing-twelve-month operating margin is -703.07%.

Brocade Communications Systems Inc (NASDAQ: BRCD) dipped 0.81% to $4.90 in the pre-market session. BRCD reported a 1% year-over-year decline in its Q2 revenue.

Carnival Corporation (NYSE: CCL) moved down 0.60% to $31.39 in the pre-market session. CCL shares have dropped 20.17% over the past 52 weeks, while the S&P 500 index has declined 2.88% in the same period.

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