Unlike Johnson & Johnson the previous week, Pfizer Inc.’s* stock price traded up by about 1% in the premarket on its fourth-quarter and full-year 2023 results announcement. This accelerated through its conference call with Pfizer’s stock price initially opening up by about 2% in normal trading. But like J&J, within a few minutes of the market open, Pfizer’s stock headed into the red and closed down by nearly 2% compared with the NYSE Arca Pharmaceutical Index’s (DRG’s) modest loss for the day.
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