UPDATE 2-Ceva plans May 4 flotation as bookbuild set wide

ZURICH, April 20 (Reuters) - Transport firm Ceva Logistics aims to launch on the Swiss stock exchange on May 4, setting a wide price spread for its bookbuilding amidst uncertain market conditions. Ceva Logistics, owned by private equity firm Apollo, aims to raise 1.2 billion Swiss francs ($1.23 billion) in an all-primary share offering and on Friday set a price range for its bookbuilding between 27.5 and 52.5 Swiss francs per share.