Benzinga’s Top Pre-Market Losers (GXDX, ARMH, AIXG, RBCN)

Genoptix Inc GXDX tumbled 15.08% to $19.43 in the pre-market session. GXDX has issued lower-than-expected guidance for Q2 earnings and revenue. ARM Holdings plc ARMH lost 3.88% to $12.62 in the pre-market session. Markets were speculating that Apple AAPL would bid for ARMH. Aixtron Aktiengesellschaft AIXG fell 3.50% to $26.78 in the pre-market session. AIXG has announced that it will ship its next generation QXP 8300 ALD product to a leading Korean DRAM manufacturer. Rubicon Technology Inc RBCN slipped 3.17% to $30.50 in pre-market trading. RBCN has planned for a public offering of 1.8 million shares. Read more from Benzinga's Company news.