Benzinga's Top #PreMarket Losers

Aeropostale ARO fell 8.18% to $3.59 in pre-market trading after the company issued a downbeat third-quarter outlook. However, the company reported stronger-than-expected second-quarter results. Achillion Pharmaceuticals ACHN shares slipped 3.91% to $9.10 in pre-market trading after falling 3.27% on Thursday. China Finance Online Co JRJC dropped 3.49% to $9.40 in pre-market trading after jumping 6.22% on Thursday. Yandex NV YNDX shares declined 2.05% to $29.20 in pre-market trading after falling 1.18% on Thursday.