Benzinga's Top Pre-Market Losers

Tellabs

shares dropped 27.51% to $2.53 in pre-market trading. Tellabs' PEG ratio is -34.90. Alexza Pharmaceuticals

shares fell 13.64% to $5 in the pre-market trading. Alexza Pharmaceuticals reported that the U.S. health regulators approved ADASUVE® Inhalation Powder for the acute treatment of agitation associated with schizophrenia or bipolar I disorder in adults. Pioneer Natural Resources Co

dipped 4.56% to $103.83 in the pre-market session. Pioneer Natural Resources has a dividend yield of 0.10%. Quanta Services

dipped 3.95% to $26.51 in the pre-market session. Quanta Services' trailing-twelve-month profit margin is 4.46%.