Benzinga’s Top Pre-Market NASDAQ Losers (TNAV, APKT, CSTR, TLAB)

TeleNav Inc TNAV dipped 22.90% to $6.87 in the pre-market session. TNAV’s Q4 results fell short of expectations. Acme Packet Inc APKT lost 13.55% to $28 in the pre-market session. APKT has issued weaker-than-expected revenue projections for 2010. Coinstar Inc CSTR fell 9.54% to $43.50 in the pre-market session. CSTR has lowered its revenue projections for the full year. Tellabs Inc TLAB slipped 3.25% to $7.15 in pre-market trading. HiBeam Internet & Voice has selected Tellabs SmartCore™ 9100 platform for the WiMAX network. Read more from Benzinga's Company news.