Benzinga's Top Pre-Market Losers

Abercrombie & Fitch Company ANF moved down 14.58% to $40.00 in the pre-market session. ANF issued downbeat Q4 earnings forecast. China Medical Technologies Inc CMED shares fell 8.73% to $2.30 in the pre-market trading. CMED shares have dropped 80.39% over the past 52 weeks, while the S&P 500 index has gained 1.30% in the same period. Rofin-Sinar Technologies Inc RSTI dipped 8.13% to $27 in the pre-market session. RSTI reported a 4% y/y decline in its Q1 net sales. Viacom Inc VIAB dipped 7.28% to $43.55 in the pre-market session. VIAB reported a drop in its quarterly net income.