Benzinga's Top Pre-Market Losers

Achillion Pharmaceuticals ACHN dipped 24.04% to $6.35 in the pre-market session after an FDA study on the company's drug Sovarprevir was placed on hold. Linn Energy LLC LINE shares fell 9.49% to $30.13 in the pre-market trading on JP Morgan downgrade and announcement of informal SEC inquiry. Silicon Motion Technology SIMO shares dropped 9.35% to $9.70 in pre-market trading after the company announced preliminary Q2 revenue. DaVita HealthCare Partners DVA dipped 8.74% to $110.56 in the pre-market session. Raymond James downgraded DaVita from “outperform” to “market perform.”