Regeneron Pharmaceuticals, Inc. (REGN) delivered lower-than-expected first-quarter 2024 results due to declining sales of its lead drug, Eylea (aflibercept).  The company reported earnings per share (EPS) of $9.55, which missed the Zacks Consensus Estimate of $10.20. The company recorded EPS of $10.09 in the year-ago period.Higher expenses and lower revenues adversely impacted the bottom line.Total revenues declined 1% year over year to $3.14 billion, which also missed the Zacks Consensus Estimate of $3.19 ...