Benzinga's Top Pre-Market Losers

Apollo Group APOL fell 7.35% to $19.40 in the pre-market session. Apollo Group lowered its operating profit outlook for 2013. Crosstex Energy LP XTEX shares dipped 5.58% to $14.88 in pre-market trading. Crosstex Energy commenced an underwritten public offering of 7,500,000 common units. Sprint Nextel S dropped 2.68% to $5.81 in the pre-market session. Dish Network DISH trumped Sprint Nextel's $2.2 billion offer for Clearwire CLWR. Ericsson ERIC shares declined 1.70% to $9.83 in the pre-market trading. Ericsson's PEG ratio is 3.19.