Cephalon Inc. (CEPH) delivered first quarter earnings of $1.98 per share, several cents below the Zacks Consensus Estimate of $2.04 but 12.5% above the year-ago earnings of $1.76. First quarter revenues, which increased 24.9% to $745.1 million, missed the Zacks Consensus Estimate of $752 million by a wide margin. First quarter results were within the [...] (CEPH) Cephalon First Quarter 2011 Earnings Miss Expectations