Benzinga’s Top Pre-Market Losers (ATPG, ALVR, CENX, CAMT, DRYS)

ATP Oil & Gas Corporation ATPG tumbled 3.29% to $10.29 in the pre-market session. ATPG was also one of the biggest losers on May 27. Alvarion Ltd ALVR lost 3.17% to $2.14 in the pre-market session. ALVR is involved in supplying WiMAX and other wireless broadband solutions to top-tier carriers, Internet service providers (ISPs) and private network operators. Century Aluminum Company CENX fell 2.57% to $10.24 in the pre-market session. Metals traded higher last week, driven by easing concerns over the eurozone crisis and positive economic data. Camtek Ltd CAMT slipped 2.30% to $2.55 in pre-market trading. CAMT develops, manufactures and markets automated optical inspection (AOI) systems and associated products. DryShips Inc DRYS slipped 2.29% to $4.70 in the pre-market. DRYS jumped by around 7% on May 26 due to positive economic data. Read more from Benzinga's Company news.