Benzinga’s Top Pre-Market Losers (CSKI, ERIC, HGSI, EROC)

China Sky One Medical, Inc. (NASDAQ: CSKI) tumbled 7.81% to $15.81 in the pre-market session. China Sky One Medical, Inc. announced that for fiscal 2010, it expects net revenue growth of approximately 20% or $156 million and net income is anticipated to approximate $39 million. CSKI closed at $17.15 in the last trading session. The 52-week trading range for CSKI is $10.21 - $25.45.

Telefonaktiebolaget LM Ericsson (ADR) (NASDAQ: ERIC) plunged 2.92% to $10.97 in the pre-market session. ERIC made a new 52 week high at $11.33 in the previous trading session. Telefonaktiebolaget LM Ericsson has climbed over 29% in the last year.

Human Genome Sciences (NASDAQ: HGSI) declined 1.58% to $31.21 in the pre-market session. Human Genome Sciences announced that the results of its randomized Phase II trial of mapatumumab (HGS-ETR1) in combination with the chemotherapy agents paclitaxel and carboplatin as first-line therapy in advanced non-small cell lung cancer (NSCLC). HGSI closed at $31.71 in the last trading session. In the last six months, HGSI has surged over 59%.

Eagle Rock Energy Partners,L.P, (NASDAQ: EROC) declined 1.55% to $6.37 in the pre-market session. EROC made a new 52 week high at $6.59 in the last trading session. Eagle Rock Energy has gained over 53% in the last six months.