Benzinga's Top Pre-Market NASDAQ Losers

Affymetrix Inc (NASDAQ: AFFX) dipped 17.63% to $6.59 in the pre-market session. AFFX issued downbeat Q2 revenue projections.

Quantum Fuel Systems Technologies Worldwide Inc (NASDAQ: QTWW) dropped 6.76% to $4 in the pre-market trading. QTWW's trailing-twelve-month operating margin is -82.93%.

Gulf Resources Inc (NASDAQ: GURE) moved down 3.27% to $2.96 in the pre-market session. GURE shares have dropped 64.25% over the past 52 weeks, while the S&P 500 index has gained 26.31% in the same period.

Aixtron SE (NASDAQ: AIXG) fell 1.67% to $31.20 in the pre-market session. AIXG's PEG ratio is 6.92.