Regeneron (REGN) is expected to deliver a year-over-year decline in earnings on lower revenues when it reports results for the quarter ended December 2023. This widely-known consensus outlook gives a good sense of the company's earnings picture, but how the actual results compare to these estimates is a powerful factor that could impact its near-term stock price.The stock might move higher if these key numbers top expectations in the upcoming earnings report, which is expected to be released on February 2. ...