Benzinga's Top Pre-Market Losers

ProShares UltraPro Short QQQ SQQQ dropped 3.53% to $18.58 in the pre-market trading. Research in Motion RIMM moved down 3.18% to $17.99 in the pre-market session. RIMM projects Q4 unit shipments below Q3 levels. Seagate Technology PLC STX dipped 1.15% to $17.20 in the pre-market session. STX has a dividend yield of 4.20%. Shire plc SHPGY fell 0.79% to $99.5884 in the pre-market session. SHPGY has a dividend yield of 0.10%.